1. The manager of Jerry's Barbershop recently asked his 50 customers to punch in a timecard when first arrive at the shop and to punch out right after they paid for their haircut. He then used the data on the cards to measure how long it took Jerry and his barbers to cut hair and used that information to schedule their appointment intervals. The following times (in minutes) were tabulated. 15 19 20 22 23 24 25 28 28 28 28 29 30 30 30 31 31 32 32 34 35 35 35 35 35 37 37 37 37 38 40 42 42 45 45 45 48 50 50 50 50 51 51 51 52 52 52 54 55 84

1. The manager of Jerry's Barbershop recently asked his 50 customers to punch in a timecard when first arrive at the shop and to punch out right after they paid for their haircut. He then used the data on the cards to measure how long it took Jerry and his barbers to cut hair and used that information to schedule their appointment intervals. The following times (in minutes) were tabulated. 15 19 20 22 23 24 25 28 28 28 28 29 30 30 30 31 31 32 32 34 35 35 35 35 35 37 37 37 37 38 40 42 42 45 45 45 48 50 50 50 50 51 51 51 52 52 52 54 55 84

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Description: 1. The manager of Jerry's Barbershop recently asked his 50 customers to punch in a timecard when first arriveat the shop and to punch out right after they paid for their haircut. He then used the data on the cards tomeasure how long it took Jerry an

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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Concept explainers

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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Question

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1. The manager of Jerry's Barbershop recently asked his 50 customers to punch in a timecard when first arrive
at the shop and to punch out right after they paid for their haircut. He then used the data on the cards to
measure how long it took Jerry and his barbers to cut hair and used that information to schedule their
appointment intervals. The following times (in minutes) were tabulated.
15
19
20
22
23
24
25
28
28
28
28
29
30
30
30
31
31
32
32
34
35
35
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37
37
38
40
42
42
45
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45
48
50
50
50
50
51
51
51
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52
52
54
55
84

d. Construct a box plot of the data above. Label axis.
Is there evidence of normality? Why?
e.
Find IQR.
f. Using IQR, find LB, and UB. Does the data have any outliers?
LB =
UB =
Are there any outliers? Explain.

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