Test the claim below about the mean of the differences for a population of paired data at the level of significance a. Assume the samples are random and dependent, and the populations are normally distributed. Claim: Ha <0; a =0.01. Sample statistics: d = 1.4, sa = 3.4, n = 12 Identify the null and alternative hypotheses. Choose the correct answer below.

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Test the claim below about the mean of the differences for a population of paired data at the level of significance a. Assume the samples are random and dependent, and the populations are normally
distributed.
Claim:
< 0; a = 0.01. Sample statistics: d = 1.4, s, = 3.4, n = 12
Hd
Identify the null and alternative hypotheses. Choose the correct answer below.
A. Ho: Ha =0
B. Ho: Hd 20
Ha: Hd <0
Ha: Hd #0
C. Ho: Hd #0
Ha: Hd
D. Ho: Hd s0
Ha: Ha >0
= 0
E. Ho: Hd <0
Ha: Hd20
F. Ho: Ha >0
Ha: Hd s0
The test statistic is t= 1.43 .
(Round to two decimal places as needed.)
The critical value(s) is(are) to =
(Round to two decimal places as needed. Use a comma to separate answers as needed.)
Transcribed Image Text:Test the claim below about the mean of the differences for a population of paired data at the level of significance a. Assume the samples are random and dependent, and the populations are normally distributed. Claim: < 0; a = 0.01. Sample statistics: d = 1.4, s, = 3.4, n = 12 Hd Identify the null and alternative hypotheses. Choose the correct answer below. A. Ho: Ha =0 B. Ho: Hd 20 Ha: Hd <0 Ha: Hd #0 C. Ho: Hd #0 Ha: Hd D. Ho: Hd s0 Ha: Ha >0 = 0 E. Ho: Hd <0 Ha: Hd20 F. Ho: Ha >0 Ha: Hd s0 The test statistic is t= 1.43 . (Round to two decimal places as needed.) The critical value(s) is(are) to = (Round to two decimal places as needed. Use a comma to separate answers as needed.)
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