Question: Repeat Problem 10 14 a assuming that the population variances from

Repeat Problem 10.14 (a), assuming that the population variances from developed and emerging countries are not equal. Compare these results with those of Problem 10.14 (a).
Pooled-Variance t Test for the Difference Between Two Means 
(assumes equal population variances) 
Data 
Hypothesized Difference 
0 
Level of Significance 
0.05 
Population 1 Sample 
Sample Size 
15 
Sample Mean 
21.9 
Sample Standard Deviation 
25.83062966 
Population 2 Sample 
Sample Size 
15 
Sample Mean 
11.83333333 
Sample Standard Deviation 
7.74058568 
Intermediate Calculations 
Population 1 Sample Degrees of Freedom 
14 
Population 2 Sample Degrees of Freedom 
14 
Total Degrees of Freedom 
28 
Pooled Variance 
363.5690 
Standard Error 
6.9625 
Difference in Sample Means 
10.0667 
t Test Statistic 
1.4458 
Two-Tail Test 
Lower Critical Value 
-2.0484 
Upper Critical Value 
2.0484 
p -Value 
0.1593 
Do not reject the null hypothesis 


$1.99
Sales0
Views158
Comments
  • CreatedJuly 16, 2015
  • Files Included
Post your question
5000