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The null and alternate hypotheses are: H0: μ1 ≤ μ2 H1: μ1 > μ2 A random...

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Statistics

The null and alternate hypotheses are: H0: μ1 ≤ μ2 H1: μ1 >μ2 A random sample of 24 items from the first population showed amean of 113 and a standard deviation of 13. A sample of 18 itemsfor the second population showed a mean of 103 and a standarddeviation of 14. Use the 0.05 significant level.

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

b. State the decision rule for 0.050 significance level. (Roundyour answer to 3 decimal places.)

c. Compute the value of the test statistic. (Round your answerto 3 decimal places.)

d. What is your decision regarding the null hypothesis? Use the0.05 significance level.

Answer & Explanation Solved by verified expert
3.9 Ratings (701 Votes)
Given thatFor population 1 n1 24 x1bar 113 and s1 13For population 2 n2 18 x2bar 103    See Answer
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