A marine biologist claims that the mean length of mature female pink seaperch is different in fall and winter. A sample of 13 mature female pink seaperch collected in fa a mean length of 110 millimeters and a standard deviation of 12 millimeters., A sample of 11 mature female pink seaperch collected in winter has a mean length of 102 millimeters and a standard deviation of 11 millimeters. At a = 0.05, can you support the marine biologist's claim? Assume the population variances are equal. Assume samples are random and independent, and the populations are normally distributed. Complete parts (a) through (e) below. C CO (a) Identify the claim and state Ho and Ha Which is the correct claim below? O A. "The mean length of mature female pink seaperch is greater in the fall than in the winter." O B. "The mean length of mature female pink seaperch is greater in the winter than in the fall." O C. "The mean length of mature female pink seaperch is the same in fall and winter." O D. "The mean length of mature female pink seaperch is different in fall and winter." What are Ho and Ha? The null hypothesis, Ho, is The alternative hypothesis, Ha, is Which hypothesis is the claim? O The alternative hypothesis, Ha The null hypothesis, Ho (b) Find the critical value(s) and identify the rejection region(s). Enter the critical value(s) below. (Type an integer or decimal rounded to three decimal places as needed. Use a comma to separate answers as needed.) Select the correct rejection region(s) below. O A. t< -to O B. t< -to, t>to O C. t>to O D. - to
A marine biologist claims that the mean length of mature female pink seaperch is different in fall and winter. A sample of 13 mature female pink seaperch collected in fa a mean length of 110 millimeters and a standard deviation of 12 millimeters., A sample of 11 mature female pink seaperch collected in winter has a mean length of 102 millimeters and a standard deviation of 11 millimeters. At a = 0.05, can you support the marine biologist's claim? Assume the population variances are equal. Assume samples are random and independent, and the populations are normally distributed. Complete parts (a) through (e) below. C CO (a) Identify the claim and state Ho and Ha Which is the correct claim below? O A. "The mean length of mature female pink seaperch is greater in the fall than in the winter." O B. "The mean length of mature female pink seaperch is greater in the winter than in the fall." O C. "The mean length of mature female pink seaperch is the same in fall and winter." O D. "The mean length of mature female pink seaperch is different in fall and winter." What are Ho and Ha? The null hypothesis, Ho, is The alternative hypothesis, Ha, is Which hypothesis is the claim? O The alternative hypothesis, Ha The null hypothesis, Ho (b) Find the critical value(s) and identify the rejection region(s). Enter the critical value(s) below. (Type an integer or decimal rounded to three decimal places as needed. Use a comma to separate answers as needed.) Select the correct rejection region(s) below. O A. t< -to O B. t< -to, t>to O C. t>to O D. - to
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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18 solve all parts please
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