Answer the following:
The monthly average low temperatures* during different months of year at Denver, CO are given below:
|
January
|
February
|
March
|
April
|
May
|
June
|
|
5
|
8
|
18
|
29
|
40
|
50
|
|
July
|
August
|
September
|
October
|
November
|
December
|
|
55
|
53
|
44
|
32
|
24
|
12
|
a)Find the mean yearly low temperature based on the monthly averages by applying the formulas (without using computer software).
a)Find the standard deviation of the monthly low temperatures by applying the formulas (without using computer software).
b)If the above data was a sample, what would be the sample standard deviation? Compute by applying the formulas (without using computer software).
c) Compute the mean, population standard deviation and sample standard deviation.
Create a histogram using MS Excel. Comment on the distribution of monthly low temperatures.