A random variable X is not normally distributed. It has a mean of 31 and a standard deviation of 6. List the givens with correct symbols: = 31 = 6 a) If you take a sample of size 12, can you say what the shape of the sampling distribution for the sample mean is? Why or why not? Check all that apply. O o is known O population is normal O o is unknown On is less than 30 On is at least 30 O population is not normal b) For a sample of size 12, state the mean and the standard deviation of the sampling distribution of the sample mean. mean of the sampling distribution of the sample mean when n = 12: standard deviation of the sampling distribution of the sample mean when n = 12 rounded to two decimal places:
A random variable X is not normally distributed. It has a mean of 31 and a standard deviation of 6. List the givens with correct symbols: = 31 = 6 a) If you take a sample of size 12, can you say what the shape of the sampling distribution for the sample mean is? Why or why not? Check all that apply. O o is known O population is normal O o is unknown On is less than 30 On is at least 30 O population is not normal b) For a sample of size 12, state the mean and the standard deviation of the sampling distribution of the sample mean. mean of the sampling distribution of the sample mean when n = 12: standard deviation of the sampling distribution of the sample mean when n = 12 rounded to two decimal places:
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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Transcribed Image Text:A random variable X is not normally distributed. It has a mean of 31 and a standard deviation of 6.
List the givens with correct symbols:
V - 31
!!
a) If you take a sample of size 12, can you say what the shape of the sampling distribution for the sample
mean is?
Why or why not? Check all that apply.
Oo is known
U population is normal
Do is unknown
Unis less than 30
Onis at least 30
Opopulation is not normal
b) For a sample of size 12, state the mean and the standard deviation of the sampling distribution of the
Sample mean.
mean of the sampling distribution of the sample mean when n = 12:
standard deviation of the sampling distribution of the sample mean when n 12 rounded to two decimal
places:
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