Question : Which of the following is a classification of statistics : 2153852
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) Which of the following is a classification of statistics?
A) Descriptive statistics
B) Inferential statistics
C) Absolute statistics
D) A and B only
2) Which of the following is intended to summarize or describe data or show relationships between variables?
A) Absolute statistics
B) Cluster statistics
C) Descriptive statistics
D) Inferential statistics
3) Which of the following enables generalization or inference of sample findings to larger populations or assessment of the probability of certain findings?
A) Cluster statistics
B) Inferential statistics
C) Descriptive statistics
D) Absolute statistics
4) Which of the following are summary statistics that describe the typical, middle, or average score?
A) Descriptive tendencies
B) Measures of central tendency
C) Statistical tendencies
D) Inferential tendencies
5) Which of the following refers to the simplest measure of central tendency and is simply the most frequently occurring score?
A) Mean
B) Median
C) Mode
D) Range
6) Which of the following is a measure of central tendency that is applicable to ordinal (ranke
D) data?
A) Mean
B) Median
C) Mode
D) Range
7) Which of the following is the most familiar measure of central tendency and simply involves dividing the total score by the total number of cases N?
A) Mean
B) Median
C) Mode
D) Range
8) Which of the following is the simplest measure of dispersion and represents either the highest and lowest scores or the distance between the highest and lowest scores in a distribution?
A) Mean
B) Median
C) Mode
D) Range
9) Which of the following is a highly useful statistic in which plus or minus one standard deviation always equals 68 percent of a normal curve?
A) Variance
B) Range
C) Mode
D) Standard deviation
10) Which of the following refers to a bell-shaped curve that describes a variety of phenomena?
A) Statistical variance
B) Normal variance
C) Normal distribution
D) Statistical distribution
11) Which of the following measures the deviation from the mean relative to the standard deviation?
A) Z scores
B) Standard deviation units
C) Normal distribution
D) Both A and B
12) Which of the following is a test of the independence of the relationship between nominal or categorical variables?
A) Standard deviation units
B) Chi-square
C) Z scores
D) Normal distribution
13) Which of the following refers to the number of cells that are free to vary; that is, once the value of certain cells is fixed, the others are no longer free to vary?
A) Degrees of distribution
B) Degrees of freedom
C) Degrees of variance
D) None of the above
14) Which of the following refers to a chi-square-based measure of relationship in which a zero equals no relationship, but the upper limit is less than one?
A) Cramer's V
B) Phi coefficient
C) Contingency coefficient
D) Chi coefficient
15) Which of the following refers to a useful chi-square-based measure of relationship appropriate for a 2 × 2 table?
A) Contingency coefficient
B) Cramer's V
C) Chi coefficient
D) Phi coefficient
16) Which of the following assumes some interval level of measurement and a normal population?
A) Parametric statistics
B) Nonparametric statistics
C) Cramer's V
D) Phi coefficient
17) Which of the following refers to the distribution free statistics in which few assumptions are made regarding the normality of the population?
A) Nonparametric statistics
B) Parametric statistics
C) Null hypothesis
D) Phi coefficient
18) Which of the following assumes that there is no difference between the groups being compared or no relationship in the population?
A) Parametric statistics
B) Nonparametric statistics
C) Null hypothesis
D) Phi coefficient
19) Which of the following assesses whether the differences between observed and expected values could be due to chance or are statistically significant?
A) Tests of significance
B) t Test
C) x Test
D) Null hypothesis
20) Which of the following is used to compare the sample means of two groups?
A) s Test
B) t Test
C) Tests of significance
D) x Test
21) Which of the following is used in comparing three or more sample means?
A) t Test
B) Tests of significance
C) Analysis of variance
D) x Test
22) Which of the following occurs when one variable enables the prediction of the value of the second variable?
A) Negative relationship
B) Statistical relationship
C) Positive relationship
D) Progressive relationship
23) Which of the following takes place when as the value of one variable increases the value of the other decreases?
A) Positive relationship
B) Negative relationship
C) Progressive relationship
D) Statistical relationship
24) Which of the following refers to an equation that enables the prediction of one variable on the basis of the value of others?
A) Positive equation
B) Regression equation
C) Negative equation
D) Progressive equation
25) Which of the following refers to an error of assuming that relationships proven true of groups are true of individuals?
A) Cluster fallacy
B) Statistical fallacy
C) Ecological fallacy
D) None of the above
