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(b) Compute effect size using estimated (a) Test the hypothesis that her students watch more TV than the average American child in the population using a .05 level of sig- nificance. State the value of the test statistic and the decision to retain or reject the null hypothesis. Cohen's d.

(b) Compute effect size using estimated (a) Test the hypothesis that her students watch more TV than the average American child in the population using a .05 level of sig- nificance. State the value of the test statistic and the decision to retain or reject the null hypothesis. Cohen's d.

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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(b) The .05 to .01. from (c) The pooled sample variance is doubled 17A schoolteacher is concerned that her students watch more TV than the average American child. She reads that according to the Ameri- can Academy of Pediatrics (AAP), the average American child in the population watches 4 hours of TV per day. She records the number of hours of TV each of her six students watches per day. The times in hours) are 4.4, 2.5, 5.5, 2.8, 4.8, and 4.0. (a) Test the hypothesis that her students watch more TV than the average American child in the population using a .05 level of sig- nificance. State the value of the test statistic and the decision to retain or reject the null hypothesis. (b) Compute effect size using estimated Cohen's d.
Transcribed Image Text:(b) The .05 to .01. from (c) The pooled sample variance is doubled 17A schoolteacher is concerned that her students watch more TV than the average American child. She reads that according to the Ameri- can Academy of Pediatrics (AAP), the average American child in the population watches 4 hours of TV per day. She records the number of hours of TV each of her six students watches per day. The times in hours) are 4.4, 2.5, 5.5, 2.8, 4.8, and 4.0. (a) Test the hypothesis that her students watch more TV than the average American child in the population using a .05 level of sig- nificance. State the value of the test statistic and the decision to retain or reject the null hypothesis. (b) Compute effect size using estimated Cohen's d.
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