Please answer this question using excel and show work! Problem #15 (from Section 6.4 “Interval Estimates”): A survey of

Business, Finance, Economics, Accounting, Operations Management, Computer Science, Electrical Engineering, Mechanical Engineering, Civil Engineering, Chemical Engineering, Algebra, Precalculus, Statistics and Probabilty, Advanced Math, Physics, Chemistry, Biology, Nursing, Psychology, Certifications, Tests, Prep, and more.
Post Reply
answerhappygod
Site Admin
Posts: 899559
Joined: Mon Aug 02, 2021 8:13 am

Please answer this question using excel and show work! Problem #15 (from Section 6.4 “Interval Estimates”): A survey of

Post by answerhappygod »

Please answer this question using excel and show
work!
Problem #15 (from Section 6.4 “Interval
Estimates”): A survey of 26 college freshmen found that
they average 6.85 hours of sleep each night. A 90% confidence
interval had a margin of error of 0.497. Part a:
What are the lower and upper limits of the confidence interval?
Part b: What was the standard deviation, assuming
that the population standard deviation is known?
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!
Top
Post Reply

Return to “Archived Questions & Answers”