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bachelor in business administration
Polytechnic State University Sanluis
Jan-2006 - Nov-2010
CPA
Polytechnic State University
Jan-2012 - Nov-2016
Professor
Harvard Square Academy (HS2)
Mar-2012 - Present
The monthly utility bills for a household in Riverside, California, were recorded for 12 consecutive months starting in January 2006:
|
Month |
Amount ($) |
Month |
Amount ($) |
|
January |
$266.63 |
July |
$306.55 |
|
February |
163.41 |
August |
335.48 |
|
March |
219.41 |
September |
343.50 |
|
April |
162.64 |
October |
226.80 |
|
May |
187.16 |
November |
208.99 |
|
June |
289.17 |
December |
230.46 |
a. Calculate the range of the utility bills for the year 2006.
b. Calculate the average monthly utility bill for the year 2006.
c. Calculate the standard deviation for the 2006 utility bills.
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