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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Transcribed Image Text: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.
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