Question

1. (12 pts) The 120 subjects from probem 4 had an average combined cardiovascular gain score of 28.3 with a standard deviation of 11.8. Does this data provide clear and concinving evidence that the company has exceeded their goal of a cardiovascular gain score of 25? Use a significance level of .05 (α= .05).

Define parameter:

Null and Alternative Hypotheses:

Assumptions, Conditions, Name of test:

t-value: ________ p-value: ______

Decision & Summary:

Name the type of error and a possible consequence of that error:

Answer 1