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MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Find standardized test statistic

Find P Value

Reject or fail to reject & is or is not enough evidence

A researcher claims that the stomachs of blue crabs from Location A contain more fish than the stomachs of blue crabs from Location B. The stomach contents of a sample of 13 blue crabs from Location A contain a mean of 193 milligrams of fish and a
standard deviation of 36 milligrams. The stomach contents of a sample of 11 blue crabs from Location B contain a mean of 182 milligrams of fish and a standard deviation of 43 miligrams. At a = 0.05, can you support the researcher's claim? Assume the
population variances are equal. Complete parts (a) through (d) below.
(a) Identify the null and alternative hypotheses. Choose the correct answer below.
O A. Hg: 41 - P2 0
O B. Họ: H -H2 S0
Ha: H1 "H2 =0
OC. Hg: 41 -2 20
O D. Ho: H - 42=0
0+ 21 - :H
Ha: 41 - 2 0
Transcribed Image Text:A researcher claims that the stomachs of blue crabs from Location A contain more fish than the stomachs of blue crabs from Location B. The stomach contents of a sample of 13 blue crabs from Location A contain a mean of 193 milligrams of fish and a standard deviation of 36 milligrams. The stomach contents of a sample of 11 blue crabs from Location B contain a mean of 182 milligrams of fish and a standard deviation of 43 miligrams. At a = 0.05, can you support the researcher's claim? Assume the population variances are equal. Complete parts (a) through (d) below. (a) Identify the null and alternative hypotheses. Choose the correct answer below. O A. Hg: 41 - P2 0 O B. Họ: H -H2 S0 Ha: H1 "H2 =0 OC. Hg: 41 -2 20 O D. Ho: H - 42=0 0+ 21 - :H Ha: 41 - 2 0
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