Post by: dalyningkenk on Feb 14, 2020
Question 1
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
Question 2
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
Post by: harveenkau8139 on Feb 14, 2020
Answer 1
critical values ±0.738; test statistic rs ≈ -0.208; fail to reject H0; There is not enough evidence to conclude that there is a significant correlation between the rankings.Answer 2
critical values ±0.683; test statistic rs ≈ 1.0; reject H0; There is enough evidence to conclude that there is a significant correlation between age and blood pressure.