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Assignment help 3368

the manager of an SAT review program wonders whether the ethnic background of a student affects the students performance on the SAT. Four ethnicities are examined. 30 students scores for each ethnicity are sampled. the entire data set is found on the first sheet labeled SAT in the INFO1020datafilea) in order to determine whether significant differences exist in the average SAT scores of students by ethnicity at the 1% significance level, 1) specify the hypothesis to test2)what is the appropriate command in excelb) provide the values of two different estimates for the population variance in this test. then show how the values are used to compute this test statisticc) are there significant differences in the average SAT scores of students by ethnicity at the 1% significance level? explain why

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