Waiting Times 2 5 10 12 4 4 5 17 11 8 9 8 12 21 6 8 7 13 18 3 The owner of an automobile repair shop studied the waiting times for customers who arrive at the shop for an oil change. The following data with waiting times in minutes were collected over a one-month period. (Please refer to the Repair Shop Data). Using classes of 0–4, 5–9, and so on, show the following: a. The frequency distribution b. The relative frequency distribution c. The cumulative frequency distribution d. The cumulative relative frequency distribution e. The proportion of customers needing an oil change who wait 9 minutes or less.
Waiting Times 2 5 10 12 4 4 5 17 11 8 9 8 12 21 6 8 7 13 18 3 The owner of an automobile repair shop studied the waiting times for customers who arrive at the shop for an oil change. The following data with waiting times in minutes were collected over a one-month period. (Please refer to the Repair Shop Data). Using classes of 0–4, 5–9, and so on, show the following: a. The frequency distribution b. The relative frequency distribution c. The cumulative frequency distribution d. The cumulative relative frequency distribution e. The proportion of customers needing an oil change who wait 9 minutes or less.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 4BGP
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| 21 |
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The owner of an automobile repair shop studied the waiting times for customers who
arrive at the shop for an oil change. The following data with waiting times in minutes
were collected over a one-month period. (Please refer to the Repair Shop Data).
Using classes of 0–4, 5–9, and so on, show the following:
a. The frequency distribution
b. The relative frequency distribution
c. The cumulative frequency distribution
d. The cumulative relative frequency distribution
e. The proportion of customers needing an oil change who wait 9 minutes or less.
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