Solve the following:
Q: The following data come from independent samples drawn from normally distributed populations. Use these data to test the following hypotheses. Let the Type I error rate be .05.
Ho:μ1- μ2=0
Ha:μ1- μ2>0
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Sample 1
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Sample 2
|
|
x‾1 =
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2.06
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x‾2
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=
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1.93
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|
s12=
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.176
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s22
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=
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.143
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n1 =
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12
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n2 =
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15
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