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lights How much sleep do high school ts get on a typical school night? A counselor ed a survey to find out. To make data collection the counselor surveyed the first 100 students we at school on a particular morning. These stu eported an average of 7.2 hours of sleep on the is night. ype of sample did the counselor obtain? n why this sampling method is biased. Is 7.2 probably greater than or less than the true aver- mount of sleep last night for all students at the 2 Why?

lights How much sleep do high school ts get on a typical school night? A counselor ed a survey to find out. To make data collection the counselor surveyed the first 100 students we at school on a particular morning. These stu eported an average of 7.2 hours of sleep on the is night. ype of sample did the counselor obtain? n why this sampling method is biased. Is 7.2 probably greater than or less than the true aver- mount of sleep last night for all students at the 2 Why?

MATLAB: An Introduction with Applications
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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5. Sleepless nights How much tleep do high school 224 students get on a typical school night? A counselor designed a survey to find out. To make data collection easier, the counselor surveyed the first 100 students to arrive at school on a particular morning. These stu- dents reported an average of 7.2 hours of sleep on the previous night. (a) What type of sample did the counselor obtain? (b) Explain why this sampling method is biased. Is 7.2 hours probably greater than or less than the true aver- age amount of sleep last night for all students at the school? Why? 1
Transcribed Image Text:5. Sleepless nights How much tleep do high school 224 students get on a typical school night? A counselor designed a survey to find out. To make data collection easier, the counselor surveyed the first 100 students to arrive at school on a particular morning. These stu- dents reported an average of 7.2 hours of sleep on the previous night. (a) What type of sample did the counselor obtain? (b) Explain why this sampling method is biased. Is 7.2 hours probably greater than or less than the true aver- age amount of sleep last night for all students at the school? Why? 1
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