A schoolteacher is concerned that her students watch more TV than the average American child. She reads that according to the American Academy of Pediatrics (AAP), the average American child watches 4 hours of TV per day (μ = 4.0 hours). She records the number of hours of TV each of her six students watch per day. The times (in hours) are 3.8, 4.6, 2.9, 5.5, 4.4, and 2.8.
(a) Test the hypothesis that her students watch more TV than the average American child using a 0.05 level of significance and a one-independent sample t-test. State the value of the test statistic. (Round your answer to three decimal places.)
State the decision to retain or reject the null hypothesis.
(b) Compute effect size using estimated Cohen's d. (Round your answer to two decimal places.)
a)
as test statistic is not in critical region; we can not reject null hypothesis
we do nt have suffciient evidence to conclude that her students watch more TV than the average American child.
b)
effect size d=||/s =(4-4)/1.045 =0.000
A schoolteacher is concerned that her students watch more TV than the average American child. She...
2. One-Sample Sign Test a. What was the p-value for the one-sample sign test? b. Was the result significant? 2. One-Sample Sign Test A school teacher is concerned that her students watch more TV than the typical American child. She reads that according to the American Academy of Pediatrics, the median amount of TV watched by American children is 4 hours per day. She records the number of hours of TV each of her six students watches per day and...
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PLEASE PLEASE PLEASE ANSWER ALL BEFORE SUBMITTING. THANK YOU. "___" = answers needed. I have had someone be able to answer all questions before. 6. A statistics individual wants to assess whether her remedial job has been effective for her five students. She decides to conduct a related samples t-test and records the following grades for students prior to and after receiving her job. Tutoring Before After 2.6 3.2 2.7 3.1 3.2 3.7 3.1 3.3 2.9 3.8 (A) Test whether...
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