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For items, 11- Given a sample size of 200 with a mean of 80 and the population standard deviation is found to be 35 having a 96% confidence level. 11. Which of the following values is the critical value or confidence coefficient to be used? A 1.96 B. 2.05 C. 2.33 D. 2.58 12. What is the length of the confidence interval? A. 10.15 B. 14.54 C. 15.23 D. 18.25 13. What is the sample size needed if the margin of error is 30 and the standard deviation of 45 with a 98% confidence level? C. 14 A. 16 B. 15 D. 13 14. Calculate the sample size of the given data: E = 5,= 20, with a 95% confidence level. A. 65 B. 64 C. 63 D.62 15. Which of the following coefficients are the 95% confidence coefficients? B. 11.96 C. 12.40 A. 11.65 D. 12.58

For items, 11- Given a sample size of 200 with a mean of 80 and the population standard deviation is found to be 35 having a 96% confidence level. 11. Which of the following values is the critical value or confidence coefficient to be used? A 1.96 B. 2.05 C. 2.33 D. 2.58 12. What is the length of the confidence interval? A. 10.15 B. 14.54 C. 15.23 D. 18.25 13. What is the sample size needed if the margin of error is 30 and the standard deviation of 45 with a 98% confidence level? C. 14 A. 16 B. 15 D. 13 14. Calculate the sample size of the given data: E = 5,= 20, with a 95% confidence level. A. 65 B. 64 C. 63 D.62 15. Which of the following coefficients are the 95% confidence coefficients? B. 11.96 C. 12.40 A. 11.65 D. 12.58

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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Answer 11, 12, 13
For items, 11-12 Given a sample size of 200 with a mean of 80 and the population standard deviation is found to be 35 having a 96% confidence level. 11. Which of the following values is the critical value or confidence coefficient to be used? A. 1.96 B. 2.05 C. 2.33 D. 2.58 12. What is the length of the confidence interval? A. 10.15 B. 14.54 C. 15.23 D. 18.25 13. What is the sample size needed if the margin of error is 30 and the standard deviation of 45 with a 98% confidence level? C. 14 A. 16 B. 15 D. 13 14. Calculate the sample size of the given data: E = 5, a = 20, with a 95% confidence level. A. 65 B. 64 C. 63 D. 62 15. Which of the following coefficients are the 95% confidence coefficients? B. 11.96 C. 12.40 A. 11.65 D. 12.58
Transcribed Image Text:For items, 11-12 Given a sample size of 200 with a mean of 80 and the population standard deviation is found to be 35 having a 96% confidence level. 11. Which of the following values is the critical value or confidence coefficient to be used? A. 1.96 B. 2.05 C. 2.33 D. 2.58 12. What is the length of the confidence interval? A. 10.15 B. 14.54 C. 15.23 D. 18.25 13. What is the sample size needed if the margin of error is 30 and the standard deviation of 45 with a 98% confidence level? C. 14 A. 16 B. 15 D. 13 14. Calculate the sample size of the given data: E = 5, a = 20, with a 95% confidence level. A. 65 B. 64 C. 63 D. 62 15. Which of the following coefficients are the 95% confidence coefficients? B. 11.96 C. 12.40 A. 11.65 D. 12.58
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