Consider the hypothesis test Ho : µ1 = µ2 against 4: µ1 # µ2. Suppose that sample sizes are n = 15 and 2 = 15, that = 4.7 and = 7.8, and that si = 4 and 3 = 6.25. Assume that of = o3 and that the data are drawn %3D %3D rom normal distributions. Use a = 0.05.

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TOPIC: Hypotheses Tests on the Difference in Means, Variances
Unknown & Equal or Unknown & Not Assumed Equal

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Consider the hypothesis test Ho : µ1 = µ2 against
H1 : µ1 # µ2. Suppose that sample sizes are n = 15 and
n, = 15, that I = 4.7 and x2 = 7.8, and that si = 4 and
s3 = 6.25. Assume that of = o and that the data are drawn
from normal distributions. Use a =
0.05.
Transcribed Image Text:Consider the hypothesis test Ho : µ1 = µ2 against H1 : µ1 # µ2. Suppose that sample sizes are n = 15 and n, = 15, that I = 4.7 and x2 = 7.8, and that si = 4 and s3 = 6.25. Assume that of = o and that the data are drawn from normal distributions. Use a = 0.05.
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