Math  /  Data & Statistics

QuestionName: Jerald Bollingsley
1. (Section 6.2) A researcher wonders if final exams raise the stress level of college-freshmen. Under normal circumstances, the average systolic blood pressure of healthy college-freshman is 120 with a standard deviation of 12. During final's week, the researcher tests 30 college-freshmen just before their Statistics Final Exam. She determines their average blood pressure is 123.2 . What should she conclude? Set up and test an appropriate hypothesis test using level of significance α=0.05\alpha=0.05. [Note: The units for systolic blood pressure are " mm HG" (millimeters of mercury].

Studdy Solution
State the conclusion:
The researcher does not have enough evidence to conclude that the average systolic blood pressure of college-freshmen during finals week is significantly greater than 120 mm Hg at the 0.05 significance level.

View Full Solution - Free
Was this helpful?

Studdy solves anything!

banner

Start learning now

Download Studdy AI Tutor now. Learn with ease and get all help you need to be successful at school.

ParentsInfluencer programContactPolicyTerms
TwitterInstagramFacebookTikTokDiscord