10 pointsAccording to a 2014 research study of national student engagement in the U.S., the...

80.2K

Verified Solution

Question

Basic Math

image

10 pointsAccording to a 2014 research study of national student engagement in the U.S., the averagecollege student spends 17 hours per week studying. A professor believes that students at hercollege study less than 17 hours per week. The professor distributes a survey to a random sample of 80 studentsenrolled at the college.Select one answer.From her survey data the professor calculates that the mean number of hours per week spent studying for her sampleis: - 15.6 hours per week with a standard deviation of s = 4.5 hours per week.The professor chooses a 5% level of significance. What can she conclude from her data?A. O The data supports the professor's claim. The average number of hours per week spent studying forstudents at her college is less than 17 hours per week.B. O The professor cannot conclude that the average number of hours per week spent studying for students ather college is less than 17 hours per week. The sample mean of 15.6 is not significantly less than 17.C. O Nothing. The conditions for use of a t-model are not met. The professor cannot trust that the p-value isaccurate for this reason.

Answer & Explanation Solved by verified expert
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students