Question
In random samples of 12 from each of two normal populations, we found the following statistics: X1=74 X2=71 S1=18 S2=16 a. Test with @0.05 to
In random samples of 12 from each of two normal populations, we found the following statistics:
X1=74
X2=71
S1=18
S2=16
a. Test with @0.05 to determine wheter we can infer that the population means differ?
b. Repeat part (a) increasing the standard deviations to S1=210 and S2=198.
c. Repeat part (2) with sample sizes of 150.
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An Introduction To Categorical Data Analysis
Authors: Alan Agresti
2nd Edition
0470653205, 9780470653203
