The null and alternate hypotheses are: H0: μ1 ≤ μ2H1: μ1 > μ2 A random sample of 25 items from the first population showed a mean of 106 and a standard deviation of 12. A sample of 15 items for the second population showed a mean of 104 and a standard deviation of 6. Assume the sample populations do not have equal standard deviations and use the 0.10 significant level. a. Find the degrees of freedom for unequal variance test round the answer down to the nearest whole number. b. stated decision role for the 0.10 significant level round the answer to three decimal places c. Compute the value of the test statistics round your answer to three decimal placesd.
The null and alternate hypotheses are: H0: μ1 ≤ μ2H1: μ1 > μ2 A random sample of 25 items from the first population showed a mean of 106 and a standard deviation of 12. A sample of 15 items for the second population showed a mean of 104 and a standard deviation of 6. Assume the sample populations do not have equal standard deviations and use the 0.10 significant level. a. Find the degrees of freedom for unequal variance test round the answer down to the nearest whole number. b. stated decision role for the 0.10 significant level round the answer to three decimal places c. Compute the value of the test statistics round your answer to three decimal placesd.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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The null and alternate hypotheses are:
H0: μ1 ≤ μ2
H1: μ1 > μ2
A random sample of 25 items from the first population showed a mean of 106 and a standard deviation of 12. A sample of 15 items for the second population showed a mean of 104 and a standard deviation of 6. Assume the sample populations do not have equal standard deviations and use the 0.10 significant level.
a. Find the degrees of freedom for unequal variance test round the answer down to the nearest whole number.
b. stated decision role for the 0.10 significant level round the answer to three decimal places
c. Compute the value of the test statistics round your answer to three decimal places
d.
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