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Study Resources (Statistics)

  11.[Objective:  Understand the difference between sampling strategies]  Asphodelus fistulosus, a noxious weed commonly known as onionweed, is considered an invasive species in New Mexico and can choke out other vegetation.  To detect the presence of onionweed on public land, environmental researchers partition land into one acre parcels then randomly select.
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  4.1Real or imagined differences between a speaker and an audience, between two groups, or  between two people can block effective listening. 4.2A misperceived imbalance or mismatch between people, where one person believes the other  is better or superior can misdirects the energy it takes to listen actively. 4.3Cultural differences (stereotyping a speaker.
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  12. [Objective:  Understand the Mann-Whitney Test]  Choose the statement that is  true about the MannWhitney Test. a.The Mann-Whitney Test can be used when the Normal condition of the t-test is not met. b.The Mann-Whitney Test is based on the ranks of the observations, not on their actual values. c.The Mann-Whitney Test is used.
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  Use the following information to answer questions (10) – (12).  A statistics professor is interested in learning whether there is a positive association between number of posts by online students on a message board and the final class average in an online statistics course.  The computer output below shows the.
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  16.[Objective:  Understand the ANOVA test]  The figure below shows the F-distribution with 5 and 10 degrees of freedom to test the hypothesis that age groups and reading speed are associated.  The shaded area represents the p-value.  Assume that all conditions for ANOVA have been met.  Should the null hypothesis that.
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  2.11 When the procedures of a company are not specific or apparent, employees: A. Assume whatever responsibilities they want, whenever they want B.Can experience hindered productivity and satisfaction because of uncertainty C.Are expected to do whatever they feel like D.Will understand what is expected of them most of the time 2.12 Every.
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  1.[Objective:  Understand the need for nonparametric inference techniques]  Which of the following is necessarilyan indication that nonparametric inference might be necessary? a.Variables must be matched pairs b.The sample size is too small to assume the CLT holds. c.The distribution of the population is not Normal. d.The data is strongly skewed 2.[Objective:  Interpreting a QQ Plot] .
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  5.1Nonverbal communication is so influential that it can even affect a person’s initial impression of another person. 5.2Nonverbal messages cannot contradict the verbal message. 5.3All appropriate nonverbal behaviors are taught and are known by everyone. 5.4Nonverbal communication can act as a means of controlling communication. 5.5The way that an organization positions its furniture can.
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  5.11 “I like to hug people at work because everyone likes it and it makes everyone feel more comfortable.” This statement indicates: A.Awareness of good touch behavior in a professional setting. B.Ignorance of sexual harassment possibilities. C.Attentiveness to good nonverbal skills in the workplace. D.Both A and B above. 5.12  When Alex speaks in front.
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  1.[Objective:  Understanding the Linear Regression Model]  Which of the following is true about residuals? If all the statements are true choose (d). a.The residuals can be described as the excess, due to randomness, that doesn’t fit on the line. b.The residuals can be determined by finding the difference between the actual observed.
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6.1 When two parties realize they have a struggle over different goals, scarce resources, or power imbalances which of the following most likely results first? A. Conflict B. Mediation C.Negotiation D.Relationships 6.2 When conflict results because one person wants one thing and another person wants something else, it is conflict because of: A. Power struggles.
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    1.[Objective:  Understand the need for nonparametric inference techniques]  Explain some factors that might indicate that nonparametric inference might be necessary. 2.[Objective:  Interpreting a QQ Plot]  Suppose you are asked to analyze sample data but you do not know the distribution of the population it came from. Explain how a QQ plot.
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  2.21 Taya was feeling dissatisfied with her job because of poor work conditions, too much supervision, unfair company policy, and a weak relationship with her supervisor. These are characteristics of: A.Motivating factors B.Hygienic factors C.Communication apprehension D.Incentive rewards 2.22 Douglas McGregor is best associated with which of the following models? A.Hierarchy of needs B.Theory X and.
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3.1 The Pygmalion effect states: A.Interpersonal relationships result from luck B.Expectation influences relationships C.Communication is like a beautiful woman D.Greek myths reflect true theory 3.2 When Crystal first met Tim, he was yelling into his telephone and making demands of the person on the other end. Crystal decided that she could never be a friend.
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    1.[Objective:  Identify treatment and response variables]  Does listening to music improve efficiency for mundane tasks?  In a study, researchers randomly assigned 50 similar adults to one of three groups.  All subjects were asked to stuff 400 envelopes.  Depending on which group they were assigned to, subjects heard Top 40 music,.
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  6.[Objective:  Understand the ANOVA test]  What is the test statistic used for the ANOVA procedure?   Explain how it is calculated. 7.[Objective:  Understand the F-statistic]  Suppose a researcher collected data to compare whether cats of different size categories differed in mean number of hours slept per day.  Cats were categorized as small,.
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  11.[Objective:  Understand the ANOVA test]  A television studio did a poll to determine whether women in different age groups watched different amounts of comedy programming.  Check the TI-84 output to see whether the same-variance condition for ANOVA holds.  Show your work.  Is ANOVA appropriate? One-way ANOVA           F=1.739515653   Cat n Mean StDev p=.2092138468   17-24 25 3.42 1.28 Factor   25-32 15 4.50 3.45 df=2 SS=16.3611111 MS=8.18055556 Error df=15 SS=70.5416667 MS=4.70277778 Sxp=2.16858889   33-40           21           2.17         0.75             Use the following information for.
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7.1 When cultural diversity creates anxiety that is not reconciled, that uneasiness can lead to which of the following negative outcomes: A. Stereotyping and hostility B. Non-cooperation and honesty C.Avoidance and ethnocentrism D.All of the above E.A and C 7.2 When Mary first came to the US from Mexico, many people either avoided talking to.
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  2.1In order to understand the culture of an organization one needs to identify metaphors, stories, and behaviors prominent in the organization. 2.2Roles in organizations can be both formal and informal. 2.3The Hawthorne effect states that when employees are given more attention they are less productive. 2.4An organization, which favors a tall organizational chart,.
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2.1 The organization SGT decided to specifically identify its major purpose of existence and the goals necessary to reach it. This organization was alluding to its: A.Communication competency B.Mission statement C.Communication style D.Unit theory 2.2 Paul was a former employee of a top retail chain for several years. When Paul’s wife relocated to a new.
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    1.[Objective:  Understanding the Linear Regression Model]  Which of the following is true about residuals? If all the statements are true choose (d). a.The residuals can be described as the excess, due to randomness, that doesn’t fit on the line. b.The residuals can be determined by finding the difference between the actual observed.
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4.1 Listening is part of a complex set of communication variables A.Listening as such is not a social cognition ability B.Listening is central to competence C.Listening is not at all neglected in practice D.Listening is viewed as a "soft skill" and appears to not be taken seriously at times E.B and D 4.2 Listening is considered.
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  7.11 According to the text, the fundamental axiom of communicating across cultures is: A. Maximum communication time and effort produce the best outcomes. B.To have realistic expectations will only harm the interaction. C.Understand that at best only 60% of the message will be understood. Be willing to repeat your statements repeatedly. D.Be willing.
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  3.11 Inattention to communication can result in important information being filtered from messages. What is another reason(s) that information is omitted unintentionally? A.People assume being present in communication opportunities is enough to thwart omission. B.Messages with potentially threatening or disagreeable information are often changed to remove the disagreeable material. C.Many times people make.
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      1.[Objective:  Identify treatment and response variables]  Which workout recovery drink is better:  water, a fortified sports drink, or chocolate milk?  In a study, researchers randomly assigned 50 similar athletes to one of three groups. All subjects participated in the same workout. Depending on which group they were assigned to, subjects.
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  11.[Objective:  Understand the difference between sampling strategies]  The Sirex Noctilio, a wood wasp, is considered an invasive species in Michigan and can harm and even kill pine trees. To detect the presence of the wood wasp on public land, environmental researchers partition land into one acre parcels then randomly select.
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  6.1 When people’s needs are generally met, when they are content with the resources available, and when they have incompatible goals, conflict is unlikely. 6.2 Holding a position of power rarely is a source of conflict. 6.3 A disagreement is a serious form of conflict and often results in lost relationships. 6.4 Although.
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  6.11 Five orientations toward managing conflict are generally accepted in conflict studies. Which of the following are considered a part? A.Collaboration B.Competition C.Compromise D.All of the above E.Only A and C 6.12 Whenever Christy is involved in a conflict situation, she tends to care more about the relationship than the issue in dispute. Therefore, she is.
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  11.[Objective:  Understand the ANOVA test]  In the context of the ANOVA test, which of the following phrases is equivalent to the phrase “variation within groups”? a.Variation due to error b.Residual variation c.Unexplained variation d.All of the above 12.[Objective:  Understand the ANOVA test]  A movie studio did a poll to determine whether women in different age.
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  11.[Objective:  Understand the difference between sampling strategies] Suppose state lawmakers are interested in finding out whether a newly instituted elementary school program about bullying is effective. A statistician divides the state into three regions then randomly selects a sample of thirty elementary schools from each region. Students at the selected.
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  1.[Objective:  Identify treatment and response variables]  Which energy drink is better?  In a study, researchers randomly assigned 50 similar adults to one of three groups. All subjects were allowed to sleep for eight hours followed by staying awake for ten hours. Depending on which group they were assigned to, subjects.
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  1.[Objective:  Demonstrate understanding of ANOVA]  Choose the statement that is  true about multiple comparisons and ANOVA. Choose (d) if all the statements are true. a.ANOVA is a method for testing whether there is an association between a categorical variable and a numerical variable. b.When doing a multiple comparison, the overall significance level.
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  7.[Objective: Understand the Geometric Mean]  Calculate the mean, median, and geometric mean for the following numbers:  110, 500, 1700, and 31,000. List from smallest to largest and round to the nearest tenth.   8.[Objective:  Understand the sign test for paired data]  Describe some conditions that might indicate that sign test should be.
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  1.[Objective:  Understand the need for nonparametric inference techniques]  Which of the following is an indication that nonparametric inference might be necessary? a.The sample size is too small to assume the CLT holds. b.The distribution of the population is not Normal. c.The data is strongly skewed d.All of the above 2.[Objective:  Interpreting a QQ Plot]  What.
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  11.[Objective:  Understand the ANOVA test]  In the context of the ANOVA test, which of the following phrases is equivalent to the phrase “variation between groups”? a.Variation due to treatment b.Variation due to factors c.Explained variation d.All of the above 12.[Objective:  Understand the ANOVA test]  A movie studio did a poll to determine whether women in.
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  3.1Self-attribution explains why people are quick to accept praise and slow to accept blame. 3.2The four-minute barrier describes the time a person has to accept or deny a proposal. 3.3Selectivity suggests that a person will chose ideas and messages that reinforce already believed, known, or liked. 3.4If the cost of a relationship.
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  Use the following information to answer questions (10) – (12).  A humanities professor is interesting in learning whether there is a positive association between average online homework scores and the final class average in an online humanities course.  The computer output below shows the results from a regression model in.
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  Use the following information to answer questions (6) and (7).  These two headlines are on the same topic. Headline A:  Researchers find link between childhood viewing of fast food ads and adolescent obesity. Headline B:  Researchers say that watching fast food ads in childhood causes obese adolescents. 6.[Objective: Understand the difference between a.
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  1.[Objective:  Understanding the Linear Regression Model]  Explain what residuals are. Where do residuals come from?  How are residuals calculated?  Complete the table below by calculating the residuals for the following small data set. The linear model relating x and y is y = 5−10x . x y Residual 11 -100   5 -51   7 -63   4 -34   2.[Objective:  Understanding the Linear Regression Model] .
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    1.[Objective:  Choose the appropriate test]  Choose the appropriate test for the following situation:  Suppose that researchers wish to study whether dieting affects alertness levels.  Three popular dieting plans were included in the study. After following the diet for several weeks, participants were given a test that measured response time to.
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  16.[Objective:  Interpreting confidence intervals for regression]  The regression output below is the result of testing whether there is an association between the number of practice test problems a student completed and the number of questions answered correctly on the test. Assume that the conditions of the linear regression model are.
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  16.[Objective:  Choosing a sampling strategy]  A bank manager is interested in the opinions of people who visit the bank on a typical day.   The manager thinks that opinions of people who visit the bank in the morning could be different than those who visit later in the day and he.
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  1.1Communication studies are extremely important in business because managers average 70% of their time at work employed in some form of communication. . 1.2One method of analyzing communication conditions in an organization would be to apply the communication model to the specific situations occurring in an organization. . 1.3When attempting to interpret.
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  16.[Objective:  Choosing a nonparametric test]  Suppose data was collected from ten women and 12 men about the length in minutes of their commute to work. The histogram for men was roughly normal, but the histogram for women was strongly skewed to the right. Explain why the t-test is not appropriate.
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1.1 Which of the following personal skills are important in developing and maintaining successful career opportunities? A.Strong oral and written communication skills B.Conflict management C.Motivation and persuasion skills D.All of the above 1.2 The communication model illustrates the most significant aspects that occur in communication. Which of the following is not a main.
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  12.[Objective:  Understand the Mann-Whitney Test]  Choose the statement that is  true about the MannWhitney Test. a.The Mann-Whitney Test is based on the number of pairs with negative differences. b.The Mann-Whitney Test can be used when the Normal condition of the t-test is not met. c.The Mann-Whitney Test is based on the ranks of.
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