27-29 t-Test: Two-Sample Assuming Unequal Variances class 1 class 2…

Question Answered step-by-step 27-29 t-Test: Two-Sample Assuming Unequal Variances class 1 class 2… 27-29 t-Test: Two-Sample Assuming Unequal Variances class 1class 2Mean7879Variance9047.333Observations97Hypothesized Mean Difference0 df14 t Stat-0.244 P(T<=t) one-tail0.405 t Critical one-tail1.761 P(T<=t) two-tail0.811 t Critical two-tail2.145 A) A sample of scores on an examination given in two different classes is examined.  The following Excel output was obtained.  Use a = .05.  In order to determine if Class 2 has a different grade from Class 1, what are the null and alternative hypotheses?  B) A sample of scores on an examination given in two different classes is examined.  The following Excel output was obtained.  Use a = .05. Exactly what p-value did you use to answer to determine if Class 2 has a different average? C) A sample of scores on an examination given in two different classes is examined.  The following Excel output was obtained.  Use a = .05. Does Class 2 have a different grade?                       Math Statistics and Probability QA 235 Share QuestionEmailCopy link Comments (0)

Needs help with similar assignment?

We are available 24x7 to deliver the best services and assignment ready within 6-12 hours? Order a custom-written, plagiarism-free paper

Order Over WhatsApp Place an Order Online

Do you have an upcoming essay or assignment due?

All of our assignments are originally produced, unique, and free of plagiarism.

If yes Order Similar Paper