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D. when it is only 1% of the total population 4. In Student's t-distribution, what is the sample size if the degree of freedom is 25? А. 5 B. 24 С. 25 D. 26 5. What is the difference between the normal distribution and the t-distribution? A. The t-distribution has a lower peak. B. The t-distribution is centered at 0. C. The t-distribution is symmetric in the middle. D. The t-distribution has tails that asymptotic to the horizontal axis 6. When do we use t-distribution instead of normal distribution? A. If the sample variance is unknown B. If the population variance is known C. When the sample size is considered small. D. When the sample size is sufficiently large. 7. In the estimation of a parameter using the t-distribution, is it possible to replace the population standard deviation, o by the sample standard deviation, s? A. No, because the given sample size is small B. No, because o and s differ by a significant amount

D. when it is only 1% of the total population 4. In Student's t-distribution, what is the sample size if the degree of freedom is 25? А. 5 B. 24 С. 25 D. 26 5. What is the difference between the normal distribution and the t-distribution? A. The t-distribution has a lower peak. B. The t-distribution is centered at 0. C. The t-distribution is symmetric in the middle. D. The t-distribution has tails that asymptotic to the horizontal axis 6. When do we use t-distribution instead of normal distribution? A. If the sample variance is unknown B. If the population variance is known C. When the sample size is considered small. D. When the sample size is sufficiently large. 7. In the estimation of a parameter using the t-distribution, is it possible to replace the population standard deviation, o by the sample standard deviation, s? A. No, because the given sample size is small B. No, because o and s differ by a significant amount

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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D. when it is only 1% of the total population 4. In Student's t-distribution, what is the sample size if the degree of freedom is 25? А. 5 В. 24 С. 25 D. 26 5. What is the difference between the normal distribution and the t-distribution? A. The t-distribution has a lower peak. B. The t-distribution is centered at 0. C. The t-distribution is symmetric in the middle. D. The t-distribution has tails that asymptotic to the horizontal axis 6. When do we use t-distribution instead of normal distribution? A. If the sample variance is unknown B. If the population variance is known C. When the sample size is considered small. D. When the sample size is sufficiently large. 7. In the estimation of a parameter using the t-distribution, is it possible to replace the population standard deviation, o by the sample standard deviation, s? A. No, because the given sample size is small B. No, because o and s differ by a significant amount
Transcribed Image Text:D. when it is only 1% of the total population 4. In Student's t-distribution, what is the sample size if the degree of freedom is 25? А. 5 В. 24 С. 25 D. 26 5. What is the difference between the normal distribution and the t-distribution? A. The t-distribution has a lower peak. B. The t-distribution is centered at 0. C. The t-distribution is symmetric in the middle. D. The t-distribution has tails that asymptotic to the horizontal axis 6. When do we use t-distribution instead of normal distribution? A. If the sample variance is unknown B. If the population variance is known C. When the sample size is considered small. D. When the sample size is sufficiently large. 7. In the estimation of a parameter using the t-distribution, is it possible to replace the population standard deviation, o by the sample standard deviation, s? A. No, because the given sample size is small B. No, because o and s differ by a significant amount
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