Use the information provided to answer the questions. Population Sample Size 15 13 Sample Mean 34.9 32.3 Sample Variance 4.6 5.6 A USE SALT State the null and alternative hypotheses for testing for a significant difference in means. O Ho: (u, - u2) = 0 versus H,: (4, - 42) > 0 O H,: (u, - u,) = 0 versus H: (u, - 4,) < 0 O H,: (4, - 42) = 0 versus H,: (4, - 42) # 0 O Ho: (4, - 42) < 0 versus H,: (4, - 42) > 0 O H,: (4, - 4,) * 0 versus H: (u, - H2) = 0 Calculate the pooled estimate of o?, the associated degrees of freedom, and the observed value of the t statistic. (Round s? and your t statistic to three decimal places s2 = 0.727 df = 26 t = 3.049 What is the rejection region using a = 0.05? (If the test is one-tailed, enter NONE for the unused region. Round your answers to three decimal places.)
Use the information provided to answer the questions. Population Sample Size 15 13 Sample Mean 34.9 32.3 Sample Variance 4.6 5.6 A USE SALT State the null and alternative hypotheses for testing for a significant difference in means. O Ho: (u, - u2) = 0 versus H,: (4, - 42) > 0 O H,: (u, - u,) = 0 versus H: (u, - 4,) < 0 O H,: (4, - 42) = 0 versus H,: (4, - 42) # 0 O Ho: (4, - 42) < 0 versus H,: (4, - 42) > 0 O H,: (4, - 4,) * 0 versus H: (u, - H2) = 0 Calculate the pooled estimate of o?, the associated degrees of freedom, and the observed value of the t statistic. (Round s? and your t statistic to three decimal places s2 = 0.727 df = 26 t = 3.049 What is the rejection region using a = 0.05? (If the test is one-tailed, enter NONE for the unused region. Round your answers to three decimal places.)
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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