5 , 12 and 15) Exercise 12-33 (L012-2) When only two treatments are involved, AN

Question

5 , 12 and 15) Exercise 12-33 (L012-2) When only two treatments are involved, ANOVA and the Student's ttest (Chapter 11) result in the same conclusions. Also, for computed test statistics, F To demonstrate this relationship, use the folowing example. Fourteen randomly selected students enrolled in a history course were divided into two groups, one consisting of 6 students who took the course in the normal lecture format. The other group of 8 students took the course as a distance course format. At the end of the course, each group was examined with a 50-tem test. The following is a list of the number correct for each of the two groups. 42 a-1. Comiplete the ANOVA table. (Round your SS, MS, and Fvalues to 2 decimal places and p value to 4 decimal places) 2. Use a a·001 level of significance (Round your answer to 2 decimal places.) Prev 10, 12 Next > MacBook Air 5 6 8

Explanation / Answer

a1)

a2)

critical F = 9.3302

b)

t = -4.1061

c) Reject H0 , there is sufficient evidence to support the claim

Anova: Single Factor SUMMARY Groups Count Sum Average Variance Column 1 6 212 35.33333333 6.266666667 Column 2 8 340 42.5 13.42857143 ANOVA Source of Variation SS df MS F P-value F crit Between Groups 176.0952381 1 176.0952381 16.86018237 0.001456349 9.330212103 Within Groups 125.3333333 12 10.44444444 Total 301.4285714 13

Related Questions

Navigate

• Browse (All)
• Browse 5
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.