Test of Hypothesis
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Ho:u1-u2 = 0
Ha:u1-u2 does not equal 0
The following results are for two independent samples taken from the two populations.
Sample 1
N1 = 80
x1 = 104
o1 = 8.4
Sample 2
N2 = 70
x2 = 106
o2 = 7.6
1. What is the value of the test statistic?
2. What is the p-value
3. With a=.05, what is your conclusion, reject or accept?
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Solution:
The test statistic is
Z = (x1-x2)/√(1²/n1)+(2²/n2)
Z = ( 104 - 106)/ ...
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