millimeters. A sample of 11 mature female pink seaperch collected in winter has a mean length of 108 millimeters and a standard deviation of 11 millimeters. At a = 0.05, can you support the marine biologist's claim? Assume the popula variances are equal. Assume the samples are random and independent, and the populations are normally distributed. Complete parts (a) through (e) below. 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 different in fall and winter." O B. The mean length of mature female pink seaperch is greater in the fall than in the winter." OC. The mean length of mature female pink seaperch is greater in the winter than in the fall." O D. The mean length of mature female pink seaperch is the same in fall and winter." What are Ho and Ha? The null hypothesis, Ho, is V The alternative hypothesis, Ha, is Which hypothesis is the claim? o The null hypothesis, Ho o The alternative hypothesis, Ha 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. OA. t< -to. t>'o OB. -6'o OD. t< -to c) Find the standardized test statistic. =OType an integer or decimal rounded to three decimal places as needed.) d) Decide whether to reject or fail to reject the null hypothesis. V the null hypothesis. e) Interpret the decision in the context of the original claim. At the 5% significance level, V enough evidence to support the claim that the mean lengths of mature female pink seaperch are different in fall and winter.
millimeters. A sample of 11 mature female pink seaperch collected in winter has a mean length of 108 millimeters and a standard deviation of 11 millimeters. At a = 0.05, can you support the marine biologist's claim? Assume the popula variances are equal. Assume the samples are random and independent, and the populations are normally distributed. Complete parts (a) through (e) below. 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 different in fall and winter." O B. The mean length of mature female pink seaperch is greater in the fall than in the winter." OC. The mean length of mature female pink seaperch is greater in the winter than in the fall." O D. The mean length of mature female pink seaperch is the same in fall and winter." What are Ho and Ha? The null hypothesis, Ho, is V The alternative hypothesis, Ha, is Which hypothesis is the claim? o The null hypothesis, Ho o The alternative hypothesis, Ha 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. OA. t< -to. t>'o OB. -6'o OD. t< -to c) Find the standardized test statistic. =OType an integer or decimal rounded to three decimal places as needed.) d) Decide whether to reject or fail to reject the null hypothesis. V the null hypothesis. e) Interpret the decision in the context of the original claim. At the 5% significance level, V enough evidence to support the claim that the mean lengths of mature female pink seaperch are different in fall and winter.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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