e statistics: x, = 2418, s, = 179, n, = 15 and X2 = 2295, s2 = 55, n2 =9 the null and alternative hypotheses. Choose the correct answer below. Ho: H>H2 O B. Ho: H1ZH2 Ha: H1 SH2 O D. Hg: Hi

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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Test the claim about the difference between two population means u, and u, at the level of significance a. Assume the samples are random and independent, and the populations are normally distributed.
Claim: H, SHz; a = 0.10. Assume o, #o,
Sample statistics: x, = 2418, s, = 179, n, = 15 and
X2 = 2295, s, = 55, n, =9
Identify the null and alternative hypotheses. Choose the correct answer below.
O A. Ho: H1> H2
Ha: H1 SH2
O B. Ho: H1 2H2
Ha: H1 <H2
OC. Ho: H1 +H2
Hai H1 =H2
O E. Ho: H1 SH2
Ha: H1> H2
O D. Ho: H1 <H2
Ha: H1ZH2
OF. Ho: H1 = H2
Ha: H1 # H2
Find the standardized test statistic t.
t=0
(Round to two decimal places as needed.)
Find the P-value.
P =
(Round to three decimal places as needed.)
Decide whether to reject or fail to reject the null hypothesis and interpret the decision in the context of the original claim.
V Ho. There
V enough evidence at the 10% level of significance to reject the claim.
Fail to reject
Reject
Transcribed Image Text:Test the claim about the difference between two population means u, and u, at the level of significance a. Assume the samples are random and independent, and the populations are normally distributed. Claim: H, SHz; a = 0.10. Assume o, #o, Sample statistics: x, = 2418, s, = 179, n, = 15 and X2 = 2295, s, = 55, n, =9 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: H1> H2 Ha: H1 SH2 O B. Ho: H1 2H2 Ha: H1 <H2 OC. Ho: H1 +H2 Hai H1 =H2 O E. Ho: H1 SH2 Ha: H1> H2 O D. Ho: H1 <H2 Ha: H1ZH2 OF. Ho: H1 = H2 Ha: H1 # H2 Find the standardized test statistic t. t=0 (Round to two decimal places as needed.) Find the P-value. P = (Round to three decimal places as needed.) Decide whether to reject or fail to reject the null hypothesis and interpret the decision in the context of the original claim. V Ho. There V enough evidence at the 10% level of significance to reject the claim. Fail to reject Reject
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