The standard deviation is (Round to one decimal place as needed.)

MATLAB: An Introduction with Applications
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Standard deviation
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 38.2 fluid ounces and a standard deviation of 7.8 fluid ounces.
You randomly sample 30 people and record the weekly milk consumptions shown below.
31
37
30
42 26 33 34
23
30 43
35
29 22 34
47
38 27 49
35
35
35
40
The standard deviation is.
(Round to one decimal place as needed.)
31
38 39 41
36
44 31
40만
www
OD. Yes, because the histogram is neither symmetric nor bell-shaped.
(b) Find the mean of your sample.
The mean is 35.2.
(Round to one decimal place as needed.)
Find the standard deviation of your sample.
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 38.2 fluid ounces and a standard deviation of 7.8 fluid ounces. You randomly sample 30 people and record the weekly milk consumptions shown below. 31 37 30 42 26 33 34 23 30 43 35 29 22 34 47 38 27 49 35 35 35 40 The standard deviation is. (Round to one decimal place as needed.) 31 38 39 41 36 44 31 40만 www OD. Yes, because the histogram is neither symmetric nor bell-shaped. (b) Find the mean of your sample. The mean is 35.2. (Round to one decimal place as needed.) Find the standard deviation of your sample.
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