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You receive a brochure from a large university. The brochure indicates that the mean class size for full-time faculty is fewer than 32 students. You want to test this claim. You randomly select 18 classes taught by full-time faculty and determine the class size of each. The results are shown in the table below. At a = 0.01, can you support the university's claim? Complete parts (a) through (d) below. Assume the population is normally distributed. 35 30 29 30 35 40 27 27 270 31 30 39 35 31 29 30 27 22 ...... P = 0.135 (Round to three decimal places as needed.) (c) Decide whether to reject or fail to reject the null hypothesis. Which of the following is correct? O A. Fail to reject H, because the P-value is less than the significance level. O B. Reject Ho because the P-value is greater than the significance level. O C. Reject Ho because the P-value is less than the significance level. D. Fail to reject Ho because the P-value is greater than the significance level. (d) Interpret the decision in the context of the original claim. O A. At the 1% level of significance, there is sufficient evidence to support the claim that the mean class size for full-time faculty is more than 32 O B. At the 1% level of significance, there is not sufficient evidence to support the claim that the mean class size for full-time faculty is more than 32 students. students. O C. At the 1% level of significance, there is sufficient evidence to support the claim that the mean class size for full-time faculty is fewer than 32 O D. At the 1% level of significance, there is not sufficient evidence to support the claim that the mean class size for full-time faculty is fewer than 32 students. students.

You receive a brochure from a large university. The brochure indicates that the mean class size for full-time faculty is fewer than 32 students. You want to test this claim. You randomly select 18 classes taught by full-time faculty and determine the class size of each. The results are shown in the table below. At a = 0.01, can you support the university's claim? Complete parts (a) through (d) below. Assume the population is normally distributed. 35 30 29 30 35 40 27 27 270 31 30 39 35 31 29 30 27 22 ...... P = 0.135 (Round to three decimal places as needed.) (c) Decide whether to reject or fail to reject the null hypothesis. Which of the following is correct? O A. Fail to reject H, because the P-value is less than the significance level. O B. Reject Ho because the P-value is greater than the significance level. O C. Reject Ho because the P-value is less than the significance level. D. Fail to reject Ho because the P-value is greater than the significance level. (d) Interpret the decision in the context of the original claim. O A. At the 1% level of significance, there is sufficient evidence to support the claim that the mean class size for full-time faculty is more than 32 O B. At the 1% level of significance, there is not sufficient evidence to support the claim that the mean class size for full-time faculty is more than 32 students. students. O C. At the 1% level of significance, there is sufficient evidence to support the claim that the mean class size for full-time faculty is fewer than 32 O D. At the 1% level of significance, there is not sufficient evidence to support the claim that the mean class size for full-time faculty is fewer than 32 students. students.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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You receive a brochure from a large university. The brochure indicates that the mean class size for full-time faculty is fewer than 32 students. You want to test this claim. You randomly select 18 classes taught by full-time faculty and determine the class size of each. The results are shown in the table below. At a = 0.01, can you support the university's claim? Complete parts (a) through (d) below. Assume the population is normally distributed. 35 30 29 30 35 40 27 27 270 31 30 39 35 31 29 30 27 22 ..... P = 0.135 (Round to three decimal places as needed.) (c) Decide whether to reject or fail to reject the null hypothesis. Which of the following is correct? O A. Fail to reject Ho because the P-value is less than the significance level. O B. Reject Ho because the P-value is greater than the significance level. O C. Reject Ho because the P-value is less than the significance level. D. Fail to reject Ho because the P-value is greater than the significance level. (d) Interpret the decision in the context of the original claim. O A. At the 1% level of significance, there is sufficient evidence to support the claim that the mean class size for full-time faculty is more than 32 students. O B. At the 1% level of significance, there is not sufficient evidence to support the claim that the mean class size for full-time faculty is more than 32 students. O C. At the 1% level of significance, there is sufficient evidence to support the claim that the mean class size for full-time faculty is fewer than 32 students. D. At the 1% level of significance, there is not sufficient evidence to support the claim that the mean class size for full-time faculty is fewer than 32 students.
Transcribed Image Text:You receive a brochure from a large university. The brochure indicates that the mean class size for full-time faculty is fewer than 32 students. You want to test this claim. You randomly select 18 classes taught by full-time faculty and determine the class size of each. The results are shown in the table below. At a = 0.01, can you support the university's claim? Complete parts (a) through (d) below. Assume the population is normally distributed. 35 30 29 30 35 40 27 27 270 31 30 39 35 31 29 30 27 22 ..... P = 0.135 (Round to three decimal places as needed.) (c) Decide whether to reject or fail to reject the null hypothesis. Which of the following is correct? O A. Fail to reject Ho because the P-value is less than the significance level. O B. Reject Ho because the P-value is greater than the significance level. O C. Reject Ho because the P-value is less than the significance level. D. Fail to reject Ho because the P-value is greater than the significance level. (d) Interpret the decision in the context of the original claim. O A. At the 1% level of significance, there is sufficient evidence to support the claim that the mean class size for full-time faculty is more than 32 students. O B. At the 1% level of significance, there is not sufficient evidence to support the claim that the mean class size for full-time faculty is more than 32 students. O C. At the 1% level of significance, there is sufficient evidence to support the claim that the mean class size for full-time faculty is fewer than 32 students. D. At the 1% level of significance, there is not sufficient evidence to support the claim that the mean class size for full-time faculty is fewer than 32 students.
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