During a study, the weights of test subjects was recorded. The results are displayed in the graph below. Use the graph to determine the value of the following descriptive statistics

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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3) During a study, the weights of test subjects was recorded. The results are displayed in the graph
below. Use the graph to determine the value of the following descriptive statistics
Histogram of Wt (n=40)
20
15
10
10
100
150
X Values
D How many weights were recorded?
D) What is the average weight?
O Approximate the standard deviation.
d) What is the one-standard deviation interval around the mean?
How many weights were within this interval?
I What percentage of weights were within this interval?
What is the two standard deviation interval around the mean?
hi How many weights werE within this interval?
What percentage of we were within thisterva
What is the three standard deviation ntervalarund the mean
K) How many weights were within this interv
What percentage of weights were withiin thikinterval?
梦 $
hp
Transcribed Image Text:3) During a study, the weights of test subjects was recorded. The results are displayed in the graph below. Use the graph to determine the value of the following descriptive statistics Histogram of Wt (n=40) 20 15 10 10 100 150 X Values D How many weights were recorded? D) What is the average weight? O Approximate the standard deviation. d) What is the one-standard deviation interval around the mean? How many weights were within this interval? I What percentage of weights were within this interval? What is the two standard deviation interval around the mean? hi How many weights werE within this interval? What percentage of we were within thisterva What is the three standard deviation ntervalarund the mean K) How many weights were within this interv What percentage of weights were withiin thikinterval? 梦 $ hp
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