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Company ABC Sales: Stem and Leaf Plot Data

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Company ABC had sales per month as listed below. Using the MegaStat output given, determine:

(A) Range

(B) Median

(C) The range of the data that would contain 68% of the results.

Raw data: sales/month (Millions of $)
19
34
23
34
56
45
35
36
46
47
19
23

count 12
mean 34.75
sample variance 146.20
sample standard deviation 12.09
minimum 19
maximum 56
range 37

Stem and Leaf plot for # 1
stem unit = 10
leaf unit = 1

Frequency Stem Leaf

2 1 9 9
2 2 3 3
4 3 4 4 5 6
3 4 5 6 7
1 5 6

12.

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Solution Summary

The solution determines the range, median and range of data from the given stem and leaf plot data.

Solution Preview

(A) The data ranges between 19 and 56.
We can also express the range as the difference the max and min
Range = Maximum - Minimum = 56 - 19 =37.

(B) The ...

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