(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...

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Extracted 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.