SOLUTION: Find the mean and the standard deviation of the age (correct to 3 sig fig):
Age (x) c.c f
20<x<=30 25 6
30<x<=40 35 10
40<x<=40 45 9
50<x<=60 55 4
60<x<=7
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Probability-and-statistics
-> SOLUTION: Find the mean and the standard deviation of the age (correct to 3 sig fig):
Age (x) c.c f
20<x<=30 25 6
30<x<=40 35 10
40<x<=40 45 9
50<x<=60 55 4
60<x<=7
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Question 1037848: Find the mean and the standard deviation of the age (correct to 3 sig fig):
Age (x) c.c f
20
30
40
50
60
Please help, I know what the mean and standard deviation is but I'm not sure what it wants me to find. 'The age'? The table I have is above. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Find the mean and the standard deviation of the age (correct to 3 sig fig):
Age (x) c.c f
20
30
40
50
60
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Using the "Mark" of each interval as its representative value
mean = 39.667
std = 10.743
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Cheers,
Stan H.
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