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A random variable is not normally distributed, but it is mound shaped. It has a mean of 18 and a standard deviation of 5. If you take a sample of size 15, can you say what the shape of the sampling distribution for the sample mean is? Why? O If the sample size is 15, then you can't say anything about the sampling distribution of the sample mean, since the population of the random variable is not normally distributed and the sample size is less than 30. O If the sample size is 15, then you can say the sampling distribution of the sample mean is normally distributed since the sample size is less than 30. O If the sample size is 15, then you can say the sampling distribution of the sample mean is not normally distributed since the sample size is less than 30. For a sample of size 15, state the mean of the sample mean and the standard deviation of the sample mean. Round to two decimal places if necessary. Hx = 0x = If you take a sample of size 38, can you say what the shape of the distribution of the sample mean is? Why O If the sample size is 38, then you can say the sampling distribution of the sample mean is not normally distributed since the sample size is greater than 30. O If the sample size is 38, then you can say the sampling distribution of the sample mean is normally distributed since the sample size is greater than 30. O If the sample size is 38, then you can't say anything about the sampling distribution of the sample mean, since the population of the random variable is not normally distributed and the sample size is greater than 30. For a sample of size 38, state the mean of the sample mean and the standard deviation of the sample mean. Round to two decimal places if necessary. Hx = 0x =

A random variable is not normally distributed, but it is mound shaped. It has a mean of 18 and a standard deviation of 5. If you take a sample of size 15, can you say what the shape of the sampling distribution for the sample mean is? Why? O If the sample size is 15, then you can't say anything about the sampling distribution of the sample mean, since the population of the random variable is not normally distributed and the sample size is less than 30. O If the sample size is 15, then you can say the sampling distribution of the sample mean is normally distributed since the sample size is less than 30. O If the sample size is 15, then you can say the sampling distribution of the sample mean is not normally distributed since the sample size is less than 30. For a sample of size 15, state the mean of the sample mean and the standard deviation of the sample mean. Round to two decimal places if necessary. Hx = 0x = If you take a sample of size 38, can you say what the shape of the distribution of the sample mean is? Why O If the sample size is 38, then you can say the sampling distribution of the sample mean is not normally distributed since the sample size is greater than 30. O If the sample size is 38, then you can say the sampling distribution of the sample mean is normally distributed since the sample size is greater than 30. O If the sample size is 38, then you can't say anything about the sampling distribution of the sample mean, since the population of the random variable is not normally distributed and the sample size is greater than 30. For a sample of size 38, state the mean of the sample mean and the standard deviation of the sample mean. Round to two decimal places if necessary. Hx = 0x =

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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A random variable is not normally distributed, but it is mound shaped. It has a mean of 18 and a standard deviation of 5. If you take a sample of size 15, can you say what the shape of the sampling distribution for the sample mean is? Why? Ox If the sample size is 15, then you can't say anything about the sampling distribution of the sample mean, since the population of the random variable is not normally distributed and the sample size is less than 30. If the sample size is 15, then you can say the sampling distribution of the sample mean is normally distributed since the sample size is less than 30. O If the sample size is 15, then you can say the sampling distribution of the sample mean is not normally distributed since the sample size is less than 30. For a sample of size 15, state the mean of the sample mean and the standard deviation of the sample mean. Round to two decimal places if necessary. Hx = = If you take a sample of size 38, can you say what the shape of the distribution of the sample mean is? Why? If the sample size is 38, then you can say the sampling distribution of the sample mean is not normally distributed since the sample size is greater than 30. O If the sample size is 38, then you can say the sampling distribution of the sample mean is normally distributed since the sample size is greater than 30. If the sample size is 38, then you can't say anything about the sampling distribution of the sample mean, since the population of the random variable is not normally distributed and the sample size is greater than 30. For a sample of size 38, state the mean of the sample mean and the standard deviation of the sample mean. Round to two decimal places if necessary. Hx = 0x =
Transcribed Image Text:A random variable is not normally distributed, but it is mound shaped. It has a mean of 18 and a standard deviation of 5. If you take a sample of size 15, can you say what the shape of the sampling distribution for the sample mean is? Why? Ox If the sample size is 15, then you can't say anything about the sampling distribution of the sample mean, since the population of the random variable is not normally distributed and the sample size is less than 30. If the sample size is 15, then you can say the sampling distribution of the sample mean is normally distributed since the sample size is less than 30. O If the sample size is 15, then you can say the sampling distribution of the sample mean is not normally distributed since the sample size is less than 30. For a sample of size 15, state the mean of the sample mean and the standard deviation of the sample mean. Round to two decimal places if necessary. Hx = = If you take a sample of size 38, can you say what the shape of the distribution of the sample mean is? Why? If the sample size is 38, then you can say the sampling distribution of the sample mean is not normally distributed since the sample size is greater than 30. O If the sample size is 38, then you can say the sampling distribution of the sample mean is normally distributed since the sample size is greater than 30. If the sample size is 38, then you can't say anything about the sampling distribution of the sample mean, since the population of the random variable is not normally distributed and the sample size is greater than 30. For a sample of size 38, state the mean of the sample mean and the standard deviation of the sample mean. Round to two decimal places if necessary. Hx = 0x =
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