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Please help me with those questions

July 17, 2020/in Feeds /by admin

Please help me with those questions
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Screenshot (94).png

3.) Find the mean, median, range, variance, and standard deviation of the data set below. The
data represent the fixed monthly costs for John’s Cleaning Service.
Monthly charges
Monthly
cost ($)
Bank charges
450
Cleaning supplies
2778
Food
2543
Computer expenses
1987
Lease payments
3700
Vehicle maintenance fees
1091
Postage
876
Uniforms
2500
Fuel
1300
4.) A Census found the chance of a household having a certain number of pets. The data is in
the table below.
# of pets
0
1
2
3
4
5 or more
Probability
16.7%
24.5%
27.1%
17.4%
9%
5.3%
Is it unusual for a household to have 4 pets? Show all work.