Question : In a study of feeding behavior, zoologists recorded the number of grunts of a warthog feeding : 2150595
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
82) In a study of feeding behavior, zoologists recorded the number of grunts of a warthog feeding by a lake in the 15 minute period following the addition of food. The data showing the number of grunts and and the age of the warthog (in days) are listed below:
Find and interpret the value of r2.
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
121) The final exam scores of 10 randomly selected statistics students and the number of hours they studied for the exam are given below. Can you conclude that there is a correlation between the scores on the test and the times spent studying? Use α = .01.
122) The drama department at a college asked professors and students in the drama department to rank 8 actors according to their performance. The data are listed below. A 10 is the highest ranking and a 1 the lowest ranking. Test the claim of no correlation between the rankings. Use α = .05.
123) The ages and systolic blood pressures (measured in millimeters of mercury) of 9 randomly selected adults are given below. Can you conclude that there is a correlation between age and blood pressure? Use α = .05.
124) The number of absences and the final grades of 9 randomly selected students from a statistics class are given below. Can you conclude that there is a correlation between the final grade and the number of absences? Use α = .01.
125) The table below lists the verbal and math SAT scores of 10 students selected at random. Test the hypothesis of no correlation between verbal and math SAT scores. Use α = .05.
126) The temperatures on randomly chosen days during a summer class and the number of absences from class on those days are listed below. Can you conclude that there is a correlation between the temperature and the number absent? Use α = .01.
