Evaluate answer is 9 • 4 ^n-1
Answer:
--- The third quartile
-- Variance
Step-by-step explanation:
Given
-- First quartile
--- Median
--- Mean
--- Coefficient of skewness
Solving (9): The third quartile 
This is calculated from

So, we have:

Cross Multiply

Open bracket

Collect like terms


Divide both sides -1.38

--- approximated
Solving (b): The variance
First, calculate the standard deviation from:


So:


Make SD the subject






So, the variance is:


Answer:
his cost depends on how many staplers he gets and the input is how much each stapler cost and output is how much he has to spend
Step-by-step explanation:
Answer:

Step-by-step explanation:
change to improper

this gives us

final answer
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