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The following data are from an independent-measures experiment comparing two treatment conditions.  Treatment A Treatment B  6 19 13 9 8 18 4 10 13 12 4 14 11 19 5 11 MA = 8 MB = 14 SSA = 104 SSB = 120 n = 8 n = 8 sp2 = 16   Standard error of the mean difference = 2 a) Do these data indicate a significant difference between the treatments at the α = .05 level of significance? Assess using the four steps shown in class and in the textbook.  b) Compute r2 to measure the size of the treatment effect. What size of effect is this? c) Write a sentence demonstrating how the outcome of the hypothesis test and the measure of effect size would appear in a research report.

The following data are from an independent-measures experiment comparing two treatment conditions.  Treatment A Treatment B  6 19 13 9 8 18 4 10 13 12 4 14 11 19 5 11 MA = 8 MB = 14 SSA = 104 SSB = 120 n = 8 n = 8 sp2 = 16   Standard error of the mean difference = 2 a) Do these data indicate a significant difference between the treatments at the α = .05 level of significance? Assess using the four steps shown in class and in the textbook.  b) Compute r2 to measure the size of the treatment effect. What size of effect is this? c) Write a sentence demonstrating how the outcome of the hypothesis test and the measure of effect size would appear in a research report.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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The following data are from an independent-measures experiment comparing two treatment conditions. 

Treatment A

Treatment B 

6

19

13

9

8

18

4

10

13

12

4

14

11

19

5

11

MA = 8

MB = 14

SSA = 104

SSB = 120

n = 8

n = 8

sp2 = 16  

Standard error of the mean difference = 2

a) Do these data indicate a significant difference between the treatments at the α = .05 level of significance? Assess using the four steps shown in class and in the textbook. 

b) Compute r2 to measure the size of the treatment effect. What size of effect is this?

c) Write a sentence demonstrating how the outcome of the hypothesis test and the measure of effect size would appear in a research report.

 

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