For question A) the sample size is big enough for this study & since they do not

Question

For question A) the sample size is big enough for this study & since they do not have to be the same size.

can you check my answers.

Comment on the adequacy of the samples used by the investigators The text of the excerpt describes only highlights of the information in the table. In your opinion. should the text describe all of the details in the table or only the highlights? Onty highlights Which group was more variable in terms of overall GPA? At what probability level was the first difference in Table 1 significant? What is the probability that the second difference in Table 1 was created by random errors? At what probability level was the last difference in Table 1 not significant? Was the first null hypothesis rejected? Explain. Was the third null hypothesis rejected? Explain Write out in words the meaning of the phrase "p > 05. stehst! (c.ng Sig"W.cwh.

Explanation / Answer

Since the data is not provided , we cannot comment on the accuracy of the answers

But yes the logic used to answer the questions is correct and if the values mentioned in the highlights is correct , then definitely the answers are correct

now for the Fourth question , where is says at what probability the second difference was created by random errors

The answer to this one would be the P value you get for the test statistic. In the question for the hypothesis test related to "second difference" they would have provided the test statistic and its P value . This P value is actually the probability that the difference was created by random errors

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