Question 34 Researchers are conducting a pooled, left-tailed, two-mean hypothesis test at a 1% significance level....
Question 34
Researchers are conducting a pooled, left-tailed, two-mean hypothesis test at a 1% significance level. The two samples have sizes n1=19 and n2=14. The next step for the researchers is to find the critical value(s) for the hypothesis test. Determine the critical value(s) for this test.
df...31323334t0.10…1.3091.3091.3081.307t0.05…1.6961.6941.6921.691t0.025…2.0402.0372.0352.032t0.01…2.4532.4492.4452.441t0.005…2.7442.7382.7332.728
Select all correct answers.
Select all that apply:
-
−2.453
-
−2.449
-
−2.445
-
2.445
-
2.449
-
2.453
Homework Answers
Solution:
The question is not clear to us...
Based on our understanding, the critical t values can be:
2.445 and -2.445
End...
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Question 34
Researchers are conducting a pooled,
left-tailed, two-mean hypothesis test at a 1%
significance level....
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Question We are doing a two-mean pooled t-test. We have two samples with sizes n = 13 and n2 = 24. The population standard deviations are unknown but assumed to be equal, so we find the sample standard deviations and use them to calculate a pooled standard deviation, Sp- • For sample 1: S1 = 9.4 and 1 = 47 • For sample 2: s2 = 8.7 and iz = 44 What are the test statistic (I) and the degrees...
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