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1. Determine the missing values represented by W, X, Y, and Z. A  W = 118; X = 102; Y = 35 450 and Z = 6 923 750 B  W = 102; X = 118; Y = 32 450 and Z = 8 923 750 C  W = 105; X = 115; Y = 32 450 and Z = 8 923 750 D  W = 102; X = 118; Y = 37 450 and Z = 6 923 750 2.Using the sample data in Table 1 above, determine the mean daily consumption of water. A  244.1l B  262.9l C  240.9l D  252.3l 3. Using the sample data in Table 1 above, determine the median daily consumption of water. A  243.1l B  241.5l C  247.9l D  238.3l

1. Determine the missing values represented by W, X, Y, and Z. A  W = 118; X = 102; Y = 35 450 and Z = 6 923 750 B  W = 102; X = 118; Y = 32 450 and Z = 8 923 750 C  W = 105; X = 115; Y = 32 450 and Z = 8 923 750 D  W = 102; X = 118; Y = 37 450 and Z = 6 923 750 2.Using the sample data in Table 1 above, determine the mean daily consumption of water. A  244.1l B  262.9l C  240.9l D  252.3l 3. Using the sample data in Table 1 above, determine the median daily consumption of water. A  243.1l B  241.5l C  247.9l D  238.3l

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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1. Determine the missing values represented by W, X, Y, and Z.

A  W = 118; X = 102; Y = 35 450 and Z = 6 923 750
B  W = 102; X = 118; Y = 32 450 and Z = 8 923 750
C  W = 105; X = 115; Y = 32 450 and Z = 8 923 750
D  W = 102; X = 118; Y = 37 450 and Z = 6 923 750

2.Using the sample data in Table 1 above, determine the mean daily consumption of water.

A  244.1l
B  262.9l
C  240.9l
D  252.3l

3. Using the sample data in Table 1 above, determine the median daily consumption of water.
A  243.1l
B  241.5l
C  247.9l
D  238.3l

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 X 275 75 325 35 375 Σf Table 1: Daily consumption of water (in litres) 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
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 X 275 75 325 35 375 Σf Table 1: Daily consumption of water (in litres) 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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