Pagel4 F-Test Two Sample for Variances t-Test. Tro-Sample Assuming Unequal Varia
ID: 3324624 • Letter: P
Question
Pagel4 F-Test Two Sample for Variances t-Test. Tro-Sample Assuming Unequal Variances 167346919 2568742579 31 67346939 25.68742579 Variance Hypothesized Mean Difference P(Feof) one tail 2.64528368 PT one-tail t Critical one-cai PITcot) two-tail 660551217 0.008997221 t-Test: Two-Sample Assuming Equal Variances t-Test: Paired Two Sample for Means 10.6 1 67346999 25 68742579 0 67346939 Pearson Coreellation Hypothesined Mean Diferenc Hypothesined Mean Difterence 2.66528368 0.00143861 1660552217 0.008997221 2665283683 PITest) one-tal t Critical one-tail PITetj two-tail P(Teut) one-tail e Critical one-tail P(Testi two tail 1 660551217 Use the scenario below for the following 3 questions. Quincy, a Data Analysis instructor, teaches two sections every semester. She is developing a to test if the new instructional method improves exam and the existing grades. She decides to use the new instructional method in her 12:30pm section instructional method in her 11am section. A random sample of 30 students is taken from each section. She conducted several analyses, some of which appear below. Does the new instructional method increase the average exam grade between her sections with a 5% level of significance? An example of a Type II error for this scenario would be? a. 12. Fail to reject Ho when in reality the new instructional method improved exam grades. Reject Ho when in reality the new instructional method improved exam grades. Fail to reject Ho when in reality the new instructional method did not improve exam grades. Reject Ho when in reality there is no significant difference in exam grades with b. c. d. the new instructional method.Explanation / Answer
12) In this type II error would be
Fail to reject H0 when in relaity the new instructinal method improved
So option A
since Type II error is always Accept H0 when it is false
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