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
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
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 =
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

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