determine the modal daily consumption of water
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 23PPS
Related questions
Question
Using the sample data in Table 1 above, determine the modal daily consumption of water.
A 246.1l
B 233.5l
C 224.9l
D 235.0l
![As part of a pilot study aimed at determining the daily consumption of water (in litres) across selected suburbs of
Johannesburg, Johannesburg Water SOC Ltd (JW), a municipal entity, collected the sample data shown in Table 1 below.
Cumulative frequency
Class (L)
100 < 150
150 < 200
200 < 250
250 < 300
300 < 350
350 < 400
Total
Frequency, f Midpoint, m
40
125
W
175
130
225
275
325
375
X
75
35
Σf
fm
5 000
17 850
29 250
Y
24 375
13 125
Σfm
fm²
625 000
3 123 750
6 581 250
Z
7 921 875
4 921 875
Σfm²
40
?
272
?
465
500](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F528c749a-ca6f-4d18-ad31-452bb73d3b87%2Ffc9321a7-731b-402f-a948-1f4209010ab4%2Fzglm7of_processed.jpeg&w=3840&q=75)
Transcribed Image Text:As part of a pilot study aimed at determining the daily consumption of water (in litres) across selected suburbs of
Johannesburg, Johannesburg Water SOC Ltd (JW), a municipal entity, collected the sample data shown in Table 1 below.
Cumulative frequency
Class (L)
100 < 150
150 < 200
200 < 250
250 < 300
300 < 350
350 < 400
Total
Frequency, f Midpoint, m
40
125
W
175
130
225
275
325
375
X
75
35
Σf
fm
5 000
17 850
29 250
Y
24 375
13 125
Σfm
fm²
625 000
3 123 750
6 581 250
Z
7 921 875
4 921 875
Σfm²
40
?
272
?
465
500
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