MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Transcribed Image Text:(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.
Ho. There
enough evidence at the 5% level of significance to reject the claim.
Transcribed Image Text:Test the claim about the difference between two population means µ, and u, at the level of significance a. Assume the samples are random and independent, and the populations are normally distributed.
Claim: µ, sH2; a = 0.05. Assume o, #o,
Sample statistics: X1 = 2403, s, = 171, n, = 15 and
X2 = 2299, s2 = 55, n2 = 11
...
Identify the null and alternative hypotheses. Choose the correct answer below.
O A. Ho: H1 =H2
Ha: H1 # H2
B. Ho: H12 H2
Ha: H1 <H2
O C. Ho: H1 # H2
Ha: H1 = H2
D. Ho: H1 SH2
Hai H1> H2
E. Ho: H1 <H2
Hai H12 H2
O F. Ho: H1 > H2
Find the standardized test statistic t.
t=
(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.
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