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A researcher selects a random sample of 138 college students from her local university. For each student, she records if they are full- or part-time and whether they sleep well. She would like to know if there is convincing evidence that school schedule is associated with sleeping. Let a = 0.05. Which of the following contributed the most to the value of the x? statistic? full-time student and sleeps well part-time student and sleeps well O full-time student and does not sleep well The observed and expected counts are displayed in part-time student and does not sleep well the tables. Observed counts: Sleep Well? Yes No Full-Time 28 37 Schedule Part-Time 49 24

A researcher selects a random sample of 138 college students from her local university. For each student, she records if they are full- or part-time and whether they sleep well. She would like to know if there is convincing evidence that school schedule is associated with sleeping. Let a = 0.05. Which of the following contributed the most to the value of the x? statistic? full-time student and sleeps well part-time student and sleeps well O full-time student and does not sleep well The observed and expected counts are displayed in part-time student and does not sleep well the tables. Observed counts: Sleep Well? Yes No Full-Time 28 37 Schedule Part-Time 49 24

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A researcher selects a random sample of 138 college Which of the following contributed the most to the students from her local university. For each student, value of the x? statistic? she records if they are full- or part-time and whether full-time student and sleeps well they sleep well. She would like to know if there is convincing evidence that school schedule is associated with sleeping. Let a = 0.05. part-time student and sleeps well full-time student and does not sleep well The observed and expected counts are displayed in part-time student and does not sleep well the tables. Observed counts: Sleep Well? Yes No Full-Time 28 37 Schedule Part-Time 49 24 Expected counts:
Transcribed Image Text:A researcher selects a random sample of 138 college Which of the following contributed the most to the students from her local university. For each student, value of the x? statistic? she records if they are full- or part-time and whether full-time student and sleeps well they sleep well. She would like to know if there is convincing evidence that school schedule is associated with sleeping. Let a = 0.05. part-time student and sleeps well full-time student and does not sleep well The observed and expected counts are displayed in part-time student and does not sleep well the tables. Observed counts: Sleep Well? Yes No Full-Time 28 37 Schedule Part-Time 49 24 Expected counts:
The observed and expected counts are displayed in O part-time student and does not sleep well the tables. Observed counts: Sleep Well? Yes No Full-Time 28 37 Schedule Part-Time 49 24 Expected counts: Sleep Well? Yes No Full-Time 36.3 28.7 Schedule Part-Time 40.7 32.3
Transcribed Image Text:The observed and expected counts are displayed in O part-time student and does not sleep well the tables. Observed counts: Sleep Well? Yes No Full-Time 28 37 Schedule Part-Time 49 24 Expected counts: Sleep Well? Yes No Full-Time 36.3 28.7 Schedule Part-Time 40.7 32.3
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