Suppose Jack and Diane are each attempting to use a simulation to describe the sampling distribution from a population that is skewed left with mean 60 and standard deviation 15. Jack obtains 1000 random samples of si from the population, finds the mean of the means, and determines the standard deviation of the means. Diane does the same simulation, but obtains 1000 random samples of size n= 35 from the population. Complete parts through (c) below. (a) Describe the shape you expect for Jack's distribution of sample means. Describe the shape you expect for Diane's distribution sample means. Choose the correct answer below O A. Jack's distribution is expected to be skewed right, but not as much as the original distribution. Diane's distribution is expected to be approximately normal. O B. Jack's distribution is expected to be skewed left, but not as much as the original distribution. Diane's distribution is expected to be approximately normal O C. Diane's distribution is expected to be skewed left, but more than the original distribution. Jack's distribution is expected to be approximately normal O D. Jack's distribution and Diane's distribution are expected to be approximately normal. However, Jack's will have a greater standard deviation
Suppose Jack and Diane are each attempting to use a simulation to describe the sampling distribution from a population that is skewed left with mean 60 and standard deviation 15. Jack obtains 1000 random samples of si from the population, finds the mean of the means, and determines the standard deviation of the means. Diane does the same simulation, but obtains 1000 random samples of size n= 35 from the population. Complete parts through (c) below. (a) Describe the shape you expect for Jack's distribution of sample means. Describe the shape you expect for Diane's distribution sample means. Choose the correct answer below O A. Jack's distribution is expected to be skewed right, but not as much as the original distribution. Diane's distribution is expected to be approximately normal. O B. Jack's distribution is expected to be skewed left, but not as much as the original distribution. Diane's distribution is expected to be approximately normal O C. Diane's distribution is expected to be skewed left, but more than the original distribution. Jack's distribution is expected to be approximately normal O D. Jack's distribution and Diane's distribution are expected to be approximately normal. However, Jack's will have a greater standard deviation
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:Suppose Jack and Diane are each attempting to use a simulation to describe the sampling distribution from a population that is skewed left with mean 60 and standard deviation 15. Jack obtains 1000 random samples of size n = 5
from the population, finds the mean of the means, and determines the standard deviation of the means. Diane does the same simulation, but obtains 1000 random samples of size n= 35 from the population. Complete parts (a)
through (c) below.
(a) Describe the shape you expect for Jack's distribution of sample means. Describe the shape you expect for Diane's distribution of sample means. Choose the correct answer below
O A. Jack's distribution is expected to be skewed right, but not as much as the original distribution. Diane's distribution is expected to be approximately normal.
O B. Jack's distribution is expected to be skewed left, but not as much as the original distribution. Diane's distribution is expected to be approximately normal.
O C. Diane's distribution is expected to be skewed left, but more than the original distribution. Jack's distribution is expected to be approximately normal.
O D. Jack's distribution and Diane's distribution are expected to be approximately normal. However, Jack's will have a greater standard deviation.
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