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Suppose we have a sample X1; distribution. Which of the following is true? Xn of follow up times, known to have an exponential Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a If n=100, we can use a z-test for hypotheses about the mean. b If n=10 we need to use a nonparametric test for hypotheses about the mean Since the exponential distribution is not symmetric we need to use a nonparametric test regardless of sample size. The central limit theorem applies only to samples from populations known to have mean d zero. e (a) and (b) are true

Suppose we have a sample X1; distribution. Which of the following is true? Xn of follow up times, known to have an exponential Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a If n=100, we can use a z-test for hypotheses about the mean. b If n=10 we need to use a nonparametric test for hypotheses about the mean Since the exponential distribution is not symmetric we need to use a nonparametric test regardless of sample size. The central limit theorem applies only to samples from populations known to have mean d zero. e (a) and (b) are true

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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Suppose we have a sample X1, distribution. Which of the following is true? , Xn of follow up times, known to have an exponential .... Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a If n=100, we can use a z-test for hypotheses about the mean. b If n=10 we need to use a nonparametric test for hypotheses about the mean Since the exponential distribution is not symmetric we need to use a nonparametric test regardless of sample size. The central limit theorem applies only to samples from populations known to have mean d zero. e (a) and (b) are true f (a) and (c) are true
Transcribed Image Text:Suppose we have a sample X1, distribution. Which of the following is true? , Xn of follow up times, known to have an exponential .... Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a If n=100, we can use a z-test for hypotheses about the mean. b If n=10 we need to use a nonparametric test for hypotheses about the mean Since the exponential distribution is not symmetric we need to use a nonparametric test regardless of sample size. The central limit theorem applies only to samples from populations known to have mean d zero. e (a) and (b) are true f (a) and (c) are true
Suppose X has an exponential distribution with pdf f(x): = exp(-(x - 4)). Then Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an ansv a a=4, b=1 and support is X>0 b a=4, b=1 and support is X>4 C a=2, b=1 and support is X>0 d. a=2, b=2 and support is X>2
Transcribed Image Text:Suppose X has an exponential distribution with pdf f(x): = exp(-(x - 4)). Then Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an ansv a a=4, b=1 and support is X>0 b a=4, b=1 and support is X>4 C a=2, b=1 and support is X>0 d. a=2, b=2 and support is X>2
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