SOLUTION: ATTACHED IS THE CHART:https://imagizer.imageshack.com/img924/482/OjKL0M.jpg
As the new manager of a small convenience store, you want to understand the shopping patterns of
Algebra.Com
Question 1196678: ATTACHED IS THE CHART:https://imagizer.imageshack.com/img924/482/OjKL0M.jpg
As the new manager of a small convenience store, you want to understand the shopping patterns of your customers. You randomly sample 20 purchases from yesterday's records. The amounts of those purchases (in dollars) are shown to the right.
Find the quartiles using technology.
Q1 and Q3
Find the quartiles using the Tukey method.
Q1 and Q3
c) Find the IQR using the quartiles from part b.
IQR
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
given:
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Order your data set from lowest to highest values
, , , , , , , , , ,, , , ,,, , , ,
Find the median (add all and divide the sum by number of data). This is the second quartile .
At split the ordered data set into two halves.
, , , , , , , , ,
, , , ,,, , , ,
The lower quartile is the median of the lower half of the data.
, , , , , , , , ,
}
The upper quartile is the median of the upper half of the data.
, , , ,,, , , ,
Interquartile Range:
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