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 17 blue crabs from Location A contain a mean of 197 milligrams of fish and a standard deviation of 39 milligrams. The stomach contents of a sample of 7 blue crabs from Location B contain a mean of 187 milligrams of fish and a standard deviation of 43 milligrams. At α=0.10 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. (b) Find the standardized test statistic for μ1−μ2. t= (Round to three decimal places as needed.) (c) Find the P Value
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 17 blue crabs from Location A contain a mean of 197 milligrams of fish and a standard deviation of 39 milligrams. The stomach contents of a sample of 7 blue crabs from Location B contain a mean of 187 milligrams of fish and a standard deviation of 43 milligrams. At α=0.10 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. (b) Find the standardized test statistic for μ1−μ2. t= (Round to three decimal places as needed.) (c) Find the P Value
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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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
17
blue crabs from Location A contain a mean of
197
milligrams of fish and a standard deviation of
39
milligrams. The stomach contents of a sample of
7
blue crabs from Location B contain a mean of
187
milligrams of fish and a standard deviation of
43
milligrams. At
α=0.10
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.
(b) Find the standardized test statistic for
μ1−μ2.
t=
(Round to three decimal places as needed.)
(c) Find the P Value
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