4. (10+5+5 points) In 2018, the SSBU faculty surveyed the school and determined that students on average spend 2.5 hours a night on schoolwork. We are interested in repeating a similar study in 2024, to determine if students still spend about that much time studying each night. (a) One instructor posts a link to a survey and asks for willing participants to report on the number of hours studied each night and after several offerings of courses feels they've accrued a large enough sample to start computing, and obtain 3,8 2, N = 64. Perform an appropriate hypothesis test using these statistics to support a relevant conclusion. (b) Identify a possible source of sampling bias.

4. (10+5+5 points) In 2018, the SSBU faculty surveyed the school and determined that students on average spend 2.5 hours a night on schoolwork. We are interested in repeating a similar study in 2024, to determine if students still spend about that much time studying each night. (a) One instructor posts a link to a survey and asks for willing participants to report on the number of hours studied each night and after several offerings of courses feels they've accrued a large enough sample to start computing, and obtain 3,8 2, N = 64. Perform an appropriate hypothesis test using these statistics to support a relevant conclusion. (b) Identify a possible source of sampling bias.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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