Homework Help is Here – Start Your Trial Now!
Math
Statistics
3. Suppose that a one-tail t-test is being applied to find out if the population mean is less than 50. The level of significance is 0.05 and 25 observations were sampled. The critical vale of t is: A. t= 1.708 C. t= -1.711 B. t = 1.318 D. t = -1.316

3. Suppose that a one-tail t-test is being applied to find out if the population mean is less than 50. The level of significance is 0.05 and 25 observations were sampled. The critical vale of t is: A. t= 1.708 C. t= -1.711 B. t = 1.318 D. t = -1.316

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
See similar textbooks
icon
Related questions
Question
3. Suppose that a one-tail t-test is being applied to find out if the population mean is less than 50. The level of significance is 0.05 and 25 observations were sampled. The critical vale of t is: A. t = 1.708 C. t = -1.711 B. t = 1.318 D. t = -1.316 4. Find the area under the t- distrihution from t = -2.228 to t = 2.228 when n = 11. A. 0.90 C. 0,975 B. 0.95 D. 0.995 5. Identify the percentile rank of the t- distribution when t = 1.699 and df = 29. A. 90th C. 97.5th B. 95th D. 99.5th 6. Which of the following is true about the t- distibution? A. A t-distribution is composed of bell-shaped curves. Each curve represents a degree of freedom. B. As the sample size decreases, the t-distribution approaches the standard normal distribution. C. The population is not normally distributed. D. The distribution at the left of the mean is not the same as the distribution at the right of the mean. 7. This table shows the probabilities/areas of the t- distribution for different degrees of freedom. This is used to find the critical values of t. A. c- table C. t- table B. d – table D. z - table 8. What are the critical values of i when n = 25 an the confidence level = 90% in two tails? A. +2.064 B. ±1.708
Transcribed Image Text:3. Suppose that a one-tail t-test is being applied to find out if the population mean is less than 50. The level of significance is 0.05 and 25 observations were sampled. The critical vale of t is: A. t = 1.708 C. t = -1.711 B. t = 1.318 D. t = -1.316 4. Find the area under the t- distrihution from t = -2.228 to t = 2.228 when n = 11. A. 0.90 C. 0,975 B. 0.95 D. 0.995 5. Identify the percentile rank of the t- distribution when t = 1.699 and df = 29. A. 90th C. 97.5th B. 95th D. 99.5th 6. Which of the following is true about the t- distibution? A. A t-distribution is composed of bell-shaped curves. Each curve represents a degree of freedom. B. As the sample size decreases, the t-distribution approaches the standard normal distribution. C. The population is not normally distributed. D. The distribution at the left of the mean is not the same as the distribution at the right of the mean. 7. This table shows the probabilities/areas of the t- distribution for different degrees of freedom. This is used to find the critical values of t. A. c- table C. t- table B. d – table D. z - table 8. What are the critical values of i when n = 25 an the confidence level = 90% in two tails? A. +2.064 B. ±1.708
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman
SEE MORE TEXTBOOKS