The graph shows a city's daily rate of use of electricity (in millions of kilowatts). Estimate the total daily usage of electricity by summing the area of rectangles. Use the left endpoints, then the right endpoints then give the average of those results as the answer. Let the width of each rectangle be 2 hours.
The graph shows a city's daily rate of use of electricity (in millions of kilowatts). Estimate the total daily usage of electricity by summing the area of rectangles. Use the left endpoints, then the right endpoints then give the average of those results as the answer. Let the width of each rectangle be 2 hours.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.2: Representing Data
Problem 13PPS
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The graph shows a city's daily rate of use of electricity (in millions of
kilowatts). Estimate the total daily usage of electricity by summing the
area of rectangles. Use the left endpoints, then the right endpoints, then give the average of those
results as the answer. Let the width of each rectangle be 2 hours.
14
12
10 8 6 4
Midnight 4 A.M. 8 A.M. Noon
Millions of kilowatt hours
4 PM. 8 P.M. Midnight
The estimate of the city's total daily usage of electricity for the given day, found by averaging the estimates using left and right endpoints, is (Round to the nearest whole number as needed.)
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