Find degrees of freedom for unequal variance test for sample, Basic Statistics

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Find degrees of freedom for unequal variance test for sample

The null and alternate hypotheses are:

H0: μ1 ≤ μ2
H1: μ1 > μ2

A random sample of 20 items from the first population showed a mean of 100 and a standard deviation of 15. A sample of 16 items for the second population showed a mean of 94 and a standard deviation of 8.

(a) Find the degrees of freedom for unequal variance test. (Round down your answer to the nearest whole number.)

(b) State the decision rule for .05 significance level. (Round your answer to 3 decimal places.)

(d) What is your decision regarding the null hypothesis? Use the .05 significance level.

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Basic Statistics: Find degrees of freedom for unequal variance test for sample

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Basic Statistics: Find degrees of freedom for unequal variance test for sample

Reference No:- TGS0115276

Recent Questions Asked Basic Statistics

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