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
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
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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Answer 14 and 15
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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