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5a The table shows the amount of time it takes a group of customers to be served in a post office. Wait time x Frequency Cumulative frequency (minutes) 0 ≤ x < 10 3 10< x < 20 5 20 ≤ x < 30 9 30 ≤ x < 40 11 40 ≤ x < 50 8 50 ≤ x < 60 4 i.) ii.) Is the data collected discrete or continuous? Is it qualitative or quantitative? Explain why Complete the cumulative frequency column on the table iii.)

5a The table shows the amount of time it takes a group of customers to be served in a post office. Wait time x Frequency Cumulative frequency (minutes) 0 ≤ x < 10 3 10< x < 20 5 20 ≤ x < 30 9 30 ≤ x < 40 11 40 ≤ x < 50 8 50 ≤ x < 60 4 i.) ii.) Is the data collected discrete or continuous? Is it qualitative or quantitative? Explain why Complete the cumulative frequency column on the table iii.)

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Solve q5 i ii and iii part only
F 5a The table shows the amount of time it takes a group of customers to be served in a post office. Wait time x Frequency Cumulative frequency (minutes) 0 ≤ x ≤ 10 3 10< x < 20 5 < 30 9 < 40 11 < 50 8 < 60 4 Is the data collected discrete or continuous? Is it qualitative or quantitative? Explain why Complete the cumulative frequency column on the table Calculate the lower quartile of the data using the formula L+(Q-P) Lower Quartile = XC F Calculate the upper quartile of the data using the formula Upper Quartile = L+(Q-P) F xC vi.) Calculate the interquartile range Using the formula Interquartile range = upper quartile lower quartile vii.) Estimate the mean of the data viii.) Draw a cumulative frequency diagram to illustrate the data 20 ≤ x 30 ≤ x 40 < x 50 ≤ x i.) ii.) iii.) iv.) v.)
Transcribed Image Text:F 5a The table shows the amount of time it takes a group of customers to be served in a post office. Wait time x Frequency Cumulative frequency (minutes) 0 ≤ x ≤ 10 3 10< x < 20 5 < 30 9 < 40 11 < 50 8 < 60 4 Is the data collected discrete or continuous? Is it qualitative or quantitative? Explain why Complete the cumulative frequency column on the table Calculate the lower quartile of the data using the formula L+(Q-P) Lower Quartile = XC F Calculate the upper quartile of the data using the formula Upper Quartile = L+(Q-P) F xC vi.) Calculate the interquartile range Using the formula Interquartile range = upper quartile lower quartile vii.) Estimate the mean of the data viii.) Draw a cumulative frequency diagram to illustrate the data 20 ≤ x 30 ≤ x 40 < x 50 ≤ x i.) ii.) iii.) iv.) v.)
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