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Solve the problem. 5) A 99% confidence interval (in inches) for the mean height of a population is 65.64 < µ < 67.16. This result is based on a sample of size 144. If the confidence interval 65.85 < µ < 66.95 is obtained from the same sample data, what is the degree of confidence? (Hint: you will first need to find the sample mean and sample standard deviation). A) 94% 5) B) 93% C) 92% D) 95%

Solve the problem. 5) A 99% confidence interval (in inches) for the mean height of a population is 65.64 < µ < 67.16. This result is based on a sample of size 144. If the confidence interval 65.85 < µ < 66.95 is obtained from the same sample data, what is the degree of confidence? (Hint: you will first need to find the sample mean and sample standard deviation). A) 94% 5) B) 93% C) 92% D) 95%

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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Can i get question 5 & 6 answered please

Solve the problem. 5) A 99% confidence interval (in inches) for the mean height of a population is 65.64 < µ < 67.16. This result is based on a sample of size 144. If the confidence interval 65.85 < µ < 66.95 is obtained from the same sample data, what is the degree of confidence? (Hint: you will first need to find the sample mean and sample standard deviation). A) 94% 5) B) 93% C) 92% D) 95% Use the given information to find the coefficient of determination. 6) The following are costs of advertising (in thousands of dollars) and the numbers of products sold (in thousands): Cost 9. 2 4 9 10 Number 85 52 55 68 67 86 83 73 The equation of the regression line is y' = 2.78846x + 55.7885. Find the coefficient of determination. A) 0.7077 B) -0.0707 C) 0.5009 D) 0.2353
Transcribed Image Text:Solve the problem. 5) A 99% confidence interval (in inches) for the mean height of a population is 65.64 < µ < 67.16. This result is based on a sample of size 144. If the confidence interval 65.85 < µ < 66.95 is obtained from the same sample data, what is the degree of confidence? (Hint: you will first need to find the sample mean and sample standard deviation). A) 94% 5) B) 93% C) 92% D) 95% Use the given information to find the coefficient of determination. 6) The following are costs of advertising (in thousands of dollars) and the numbers of products sold (in thousands): Cost 9. 2 4 9 10 Number 85 52 55 68 67 86 83 73 The equation of the regression line is y' = 2.78846x + 55.7885. Find the coefficient of determination. A) 0.7077 B) -0.0707 C) 0.5009 D) 0.2353
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