You are performing a study about weekly per capita milk consumption. A previous study found weekly per capita milk consumption to be normally distributed, with a mean of 47.8 fluid ounces and a standard deviation of 10.7 fluid ounces. You randomly sample 30 people and record the weekly milk consumptions shown below. 40 56 34 38 44 53 32 67 41 50 O 48 26 41 56 45 44 45 51 53 53 42 35 26 45 62 45 50 45 56 41
You are performing a study about weekly per capita milk consumption. A previous study found weekly per capita milk consumption to be normally distributed, with a mean of 47.8 fluid ounces and a standard deviation of 10.7 fluid ounces. You randomly sample 30 people and record the weekly milk consumptions shown below. 40 56 34 38 44 53 32 67 41 50 O 48 26 41 56 45 44 45 51 53 53 42 35 26 45 62 45 50 45 56 41
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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Can you assist me with question C please?
Transcribed Image Text:You are performing a study about weekly per capita milk consumption. A previous study found weekly per capita milk consumption to be normally distributed, with a
mean of 47.8 fluid ounces and a standard deviation of 10.7 fluid ounces. You randomly sample 30 people and record the weekly milk consumptions shown below.
40
56
34
38
44
53
32
67
41
50
48
26
41
56
45
44
45
51
53
53
42
35
26
45
62
45
50
45
56
41
.....
(b) Find the mean of your sample.
The mean is 45.5
(Round to one decimal place as needed.)
Find the standard deviation of your sample.
The standard deviation is 9.6
(Round to one decimal place as needed.)
(c) Compare the mean and standard deviation of your sample with those of the previous study. Discuss the differences.
The sample mean is
V than the previous mean, so, on average, consumption from the
sample is
V than in the previous study. The sample standard deviation is
v than the previous standard deviation by , so the milk consumption is
V spread out in the sample.
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