Answer:
$2.20
Step-by-step explanation:
180÷48= 3.75
5.95-3.75= 2.20
When the standard deviation = 0, there is no deviation at all. So the numbers are all the same. And there are seven of them. And the average is nine.
So the sample data set would just be seven 9s.
Answer:
Can help! (specify the kind of help - tutoring, Assignment help, etc.)
Answer:
a) 
b) 
c) 
Step-by-step explanation:
For total cost function
, average cost is given by
i.e., total cost divided by number of units produced.
Marginal average cost function refers to derivative of the average cost function i.e., 
Given:
Average cost = 
a)
At x = 50 units,

b)
Average cost = 
c)
Marginal average cost:
Differentiate average cost with respect to 
Take 
using quotient rule, 
Therefore,

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Vpyramid: 1/3BH
1/3(5)(14.2)=
23.6666666667 ROUNDED 23.7