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When a poultry farmer uses his regular feed, the newborn chickens have normally distributed weights with a mean of 61.4 oz. In an experiment with an enriched feed mixture, ten chickens are born with the following weights (in ounces). 65.7, 61.5, 67, 64.1, 67.7, 64.2, 67.1, 66.4, 65.3, 63.4 Use the a = 0.05 significance level to test the claim that the mean weight is higher with the enriched feed.

When a poultry farmer uses his regular feed, the newborn chickens have normally distributed weights with a mean of 61.4 oz. In an experiment with an enriched feed mixture, ten chickens are born with the following weights (in ounces). 65.7, 61.5, 67, 64.1, 67.7, 64.2, 67.1, 66.4, 65.3, 63.4 Use the a = 0.05 significance level to test the claim that the mean weight is higher with the enriched feed.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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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When a poultry farmer uses his regular feed, the newborn chickens have normally distributed weights with a mean of 61.4 oz. In an experiment with an enriched feed mixture, ten chickens are born with the following weights (in ounces). 65.7, 61.5, 67, 64.1, 67.7, 64.2, 67.1, 66.4, 65.3, 63.4 Use the a = 0.05 significance level to test the claim that the mean weight is higher with the enriched feed. The sample mean is a = The sample standard deviation is s = Select the correct null and alternative hypotheses: Ο Α. Η : μ = 61.4,HA : μ < 61.4 OB. Ho μ = 61.4,HA μ ‡ 61.4 ( c. H : μ = 61.4,HA : μ > 61.4 OD. None of the above Select the type of distribution to be used in this question: OA. Z-distribution OB. Chi-Square distribution OC. t-distribution D. None of the above The rejection region for this test is: OA. (-∞, -2.262) U (2.262, ∞) OB. (-∞, -1.833) OC. (1.833, ∞) OD. (2.262, ∞) OE. (3.25, ∞) OF. (-∞, -3.25) OG. (-∞, -3.25) U (3.25, ∞) OH. (-∞, -2.262) OI.(-∞, -1.833) U (1.833, ∞) OJ. None of the above The test statistic is t = The conclusion is A. There is not sufficient evidence to support the claim that with the enriched feed, the mean weight is greater than 61.4. OB. There is sufficient evidence to support the claim that with the enriched feed, the mean weight is greater than 61.4.
Transcribed Image Text:When a poultry farmer uses his regular feed, the newborn chickens have normally distributed weights with a mean of 61.4 oz. In an experiment with an enriched feed mixture, ten chickens are born with the following weights (in ounces). 65.7, 61.5, 67, 64.1, 67.7, 64.2, 67.1, 66.4, 65.3, 63.4 Use the a = 0.05 significance level to test the claim that the mean weight is higher with the enriched feed. The sample mean is a = The sample standard deviation is s = Select the correct null and alternative hypotheses: Ο Α. Η : μ = 61.4,HA : μ < 61.4 OB. Ho μ = 61.4,HA μ ‡ 61.4 ( c. H : μ = 61.4,HA : μ > 61.4 OD. None of the above Select the type of distribution to be used in this question: OA. Z-distribution OB. Chi-Square distribution OC. t-distribution D. None of the above The rejection region for this test is: OA. (-∞, -2.262) U (2.262, ∞) OB. (-∞, -1.833) OC. (1.833, ∞) OD. (2.262, ∞) OE. (3.25, ∞) OF. (-∞, -3.25) OG. (-∞, -3.25) U (3.25, ∞) OH. (-∞, -2.262) OI.(-∞, -1.833) U (1.833, ∞) OJ. None of the above The test statistic is t = The conclusion is A. There is not sufficient evidence to support the claim that with the enriched feed, the mean weight is greater than 61.4. OB. There is sufficient evidence to support the claim that with the enriched feed, the mean weight is greater than 61.4.
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