FILE Speedy Swift is a package delivery service that serves the greater Atlanta, gia. metropolitan area. To maintain customer loyalty, one of Speedy Swift's perfo once objectives is on-time delivery. To monitor its performance, each delivery is meastired on the following scale: early (package delivered before the promised time), on-time pacK- age delivered within 15 minutes of the promised time), late (package deliverec more than 15 minutes past the promised time), or lost (package never delivered). Speedy Swift's objective is to deliver 99% of all packages either early or on-time. Speedy cor lected the following data for last month's performance:
FILE Speedy Swift is a package delivery service that serves the greater Atlanta, gia. metropolitan area. To maintain customer loyalty, one of Speedy Swift's perfo once objectives is on-time delivery. To monitor its performance, each delivery is meastired on the following scale: early (package delivered before the promised time), on-time pacK- age delivered within 15 minutes of the promised time), late (package deliverec more than 15 minutes past the promised time), or lost (package never delivered). Speedy Swift's objective is to deliver 99% of all packages either early or on-time. Speedy cor lected the following data for last month's performance:
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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26. FILE Speedy Swift is a package delivery service that serves the greater Atlanta, ngia,
metropolitan area. To maintain customer loyalty, one of Speedy Swift's perfor ance
objectives is on-time delivery. To monitor its performance, each delivery is measired on
the following scale: early (package delivered before the promised time), on-time (pack-
age delivered within 15 minutes of the promised time), late (package delivered lore
than 15 minutes past the promised time), or lost (package never delivered). Speedy
Swift's objective is to deliver 99% of all packages either early or on-time. Speedy cor
lected the following data for last month's performance:
Late
On-time
time
Early
Late
On-time
On-time
On-time
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On-time
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On-time
Early
On-time
On-time
On-time
On-time
On-time
On-time
time
Early
On-time
On-time
On-time
Early
On-time
Early
Early
On-time
Early
time
On-time
Late
On-time
On-time
On-time
Late
On-time
On-time
On-time
On-time
On-time
On-time
On-time
Early
On-time
Early
On-time
Lost
On-time
On-time
On-time
On-time
On-time
Late
Early
Lost
On-time
On-time
On-time
ime
Early
On-time
Early
On-time
Early
On-time
Late
On-time
On-time
On-time
On-time
Late
On-time
Early
On-time
On-time
On-time
On-time
On-time
Early
Early
On-time
On-time
me
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TA: FREQUENCY TABLES, FREQUENCY DISTRIBUTIONS, AND GRAPHIC PRESENTATION
45
a. What kind of variable is delivery performance? What scale is used to measure delivery
performance?
b. Construct a frequency table for delivery performance for last month.
c. Construct a relative frequency table for delivery performance last month.
d. Construct a bar chart of the frequency table for delivery performance for last month.
e. Construct a pie chart of on-time delivery performance for last month.
f. Write a memo reporting the results of the analyses. Include your tables and graphs with
written descriptions of what they show. Conclude with a general statement of last
month's delivery performance as it relates to Speedy Swift's performance objectives.
27
A dot
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