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9. What is the margin of error if n=16, s = 4.2 , x= 50, 95% confidence (t a/2= 2.13) 10. A survey of 200 males shows that they read on average of 17.7 hours per week. If the margin

9. What is the margin of error if n=16, s = 4.2 , x= 50, 95% confidence (t a/2= 2.13) 10. A survey of 200 males shows that they read on average of 17.7 hours per week. If the margin

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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Numbers 9-10 only.

FIND ME! Direction: Answer the following problems and find your answer inside the box. Write the letter of the correct answer. А. 3.499 В. 2.262 С. Т D. Z Е. 1.645 G. 22 Н. 1.753 I. 1.064 J. 3.521 К. (15.5,19,9) 1. What is the degree of freedom of n = 23? 2. When n < 30 and the population standard deviation is unknown, what is the appropriate distribution? 3. Find the t-value of n = 10 and 95% confidence interval? 4. What is the value of to.os with 15 degrees of freedom? 5. What are the confidence coefficients of z w/2, if the confidence level is 90%? 6. Solve for the of to.005 with a sample of 8 in one-tailed. 7. What is the 90th percentile of at distribution with a sample of 10? 8. What is the 70th percentile of a t-distribution with a sample size of 21? 9. What is the margin of error if n=16, s = 4.2 , x= 50, 95% confidence (t a/2= 2.13) 10. A survey of 200 males shows that they read on average of 17.7 hours per week. If the margin of error is 2.2 hours at 95% confidence, what is the confidence interval?
Transcribed Image Text:FIND ME! Direction: Answer the following problems and find your answer inside the box. Write the letter of the correct answer. А. 3.499 В. 2.262 С. Т D. Z Е. 1.645 G. 22 Н. 1.753 I. 1.064 J. 3.521 К. (15.5,19,9) 1. What is the degree of freedom of n = 23? 2. When n < 30 and the population standard deviation is unknown, what is the appropriate distribution? 3. Find the t-value of n = 10 and 95% confidence interval? 4. What is the value of to.os with 15 degrees of freedom? 5. What are the confidence coefficients of z w/2, if the confidence level is 90%? 6. Solve for the of to.005 with a sample of 8 in one-tailed. 7. What is the 90th percentile of at distribution with a sample of 10? 8. What is the 70th percentile of a t-distribution with a sample size of 21? 9. What is the margin of error if n=16, s = 4.2 , x= 50, 95% confidence (t a/2= 2.13) 10. A survey of 200 males shows that they read on average of 17.7 hours per week. If the margin of error is 2.2 hours at 95% confidence, what is the confidence interval?
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