Find the standard deviation for the indicated sets of numbers. A calculator may be used. The electrical
Question:
Find the standard deviation for the indicated sets of numbers. A calculator may be used.
The electrical usages in Exercise 31
Data from Exercises 31
In a particular month, the electrical usages, rounded to the nearest 100kW · h (kilowatt-hours), of 1000 homes in a certain city were summarized as follows:
Find the mean of the electrical usage.
Transcribed Image Text:
500 600 700 800 900 1000 1100 1200 122 90 15 Usage No. Homes 22 80 106 185 380
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Related Book For
Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
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