For the following, a) identify null and alternative hypotheses, b) find the critical value(s) and identify the rejection region(s), c) find d and sa d) use the t-test to calculate the standardized test statistic, d) decide to reject or accept the null hypothesis, and e)Write an APA format results statement. Assume that the distribution of the population is approximately normal. An SAT prep course claims to improve the test scores of students. The table shows the scores for seven students the first two times they took the verbal SAT. Before taking the SAT for the second time, each student took a course to try to improve his or her score. Test the claim at a = 0.01. Student First SAT 2 3 4 5 6 7 308 456 352 433306 471 422| Second SAT|400524 409 491 348 583 451 1

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Author:Amos Gilat
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For the following, a) identify null and alternative
hypotheses, b) find the critical value(s) and identify the
rejection region(s), c) find d and s, d) use the t-test to
calculate the standardized test statistic, d) decide to reject
or accept the null hypothesis, and e)Write an APA format
results statement. Assume that the distribution of the
population is approximately normal.
An SAT prep course claims to improve the test scores of
students. The table shows the scores for seven students the
first two times they took the verbal SAT. Before taking the
SAT for the second time, each student took a course to try
to improve his or her score. Test the claim at a= 0.01.
Student
1
3
4
5
6.
7
First SAT
308 456 352 433 306 471 422
Second SAT 400 524 409 491348 583 451
Transcribed Image Text:For the following, a) identify null and alternative hypotheses, b) find the critical value(s) and identify the rejection region(s), c) find d and s, d) use the t-test to calculate the standardized test statistic, d) decide to reject or accept the null hypothesis, and e)Write an APA format results statement. Assume that the distribution of the population is approximately normal. An SAT prep course claims to improve the test scores of students. The table shows the scores for seven students the first two times they took the verbal SAT. Before taking the SAT for the second time, each student took a course to try to improve his or her score. Test the claim at a= 0.01. Student 1 3 4 5 6. 7 First SAT 308 456 352 433 306 471 422 Second SAT 400 524 409 491348 583 451
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