a. Define the population whose amount of exercise time per week you would be interested in investigating.
Question:
a. Define the population whose amount of exercise time per week you would be interested in investigating.
b. Collect the “times” from a sample of 40 members of your population.
c. Find the mean and standard deviation for the amount of time exercised per week by the members of your sample.
d. Construct a graph displaying the distribution of your data.
e. Estimate the mean amount of weekly exercise time for your population using a point estimate and a 95% confidence interval.
f. The “Good News for Women” article says that people (can?) should exercise at least 60 minutes a week. Does it appear that the members of your sample exercise “at least 60 minutes per week”? Use a0.05 level of significance.
Justify your answer.
g. Did your data satisfy the assumptions? Explain.
Step by Step Answer:
Just The Essentials Of Elementary Statistics
ISBN: 9780495314875
10th Edition
Authors: Robert Johnson, Patricia Kuby