Question
CHOOSE THE CORRECT OPTION You need to compare 2 different cases below, note that in the second case there is a larger difference between the
CHOOSE THE CORRECT OPTION
You need to compare 2 different cases below, note that in the second case there is a larger difference between the means.
CASE1
group 1 | group 2 | |
mean | 1689.3 | 1680 |
standard deviation | 80 | 60 |
sample size | 100 | 100 |
Test stat for two sample t test 0.93 verify this using a computer also calculate the pvalues for testing the claim there is a difference.
CASE 2
group 1 | group 2 | |
mean | 1698.6 | 1680 |
standard deviation | 80 | 60 |
sample size | 100 | 100 |
Test stat for two sample t test 1.86 verify this using a computer also calculate the pvalue for testing if there is a difference.
CHOOSE THE CORRECT OPTION:
a.the sample proportion in group 1 is 20.93
b.For case 2 the pvalue is 0.70
c.For case 1 the pvalue is 0.35
d.For case 2 the pvalue is 0.06
e.For case 2 the pvalue is -0.17
f.When you compare case 1 with case 2, case 2 has a bigger difference between the means so the p-value is smaller
g.When you compare case 1 with case 2, case 2 has a larger sample size so there is more evidence that the population means are different so the p-value is higher
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