Pearson eText Business Statistics: First Course -- Instant Access (Pearson+)
8th Edition
ISBN: 9780136880974
Author: David Levine, David Stephan
Publisher: PEARSON+
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Chapter 1, Problem 1.28AC
(a)
To determine
To explain: the description of organizing the data in an unstacked format.
(b)
To determine
To explain: the description of organizing the data in a stacked format.
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II Consider the following data matrix X:
X1
X2
0.5
0.4
0.2 0.5
0.5
0.5
10.3 10
10.1 10.4
10.1
10.5
What will the resulting clusters be when using the k-Means method with k = 2. In your own words, explain why this result is
indeed expected, i.e. why this clustering minimises the ESS map.
why the answer is 3 and 10?
PS
9 Two films are shown on screen A and screen B at a cinema each evening. The numbers
of people viewing the films on 12 consecutive evenings are shown in the back-to-back
stem-and-leaf diagram.
Screen A (12) Screen B (12)
8
037
34
7 6 4 0 534
74 1645678
92 71689
Key: 116|4 represents 61 viewers for A and 64 viewers for B
A second stem-and-leaf diagram (with rows of the same width as the previous diagram)
is drawn showing the total number of people viewing films at the cinema on each of
these 12 evenings. Find the least and greatest possible number of rows that this second
diagram could have.
TIP
On the evening when 30 people viewed films on screen A, there could have been as few
as 37 or as many as 79 people viewing films on screen B.
Chapter 1 Solutions
Pearson eText Business Statistics: First Course -- Instant Access (Pearson+)
Ch. 1 - Four different beverages are sold at a fast-food...Ch. 1 - U.S. businesses are listed by size: small, medium,...Ch. 1 - Prob. 1.3LBCh. 1 - Prob. 1.4ACCh. 1 - Prob. 1.5ACCh. 1 - Prob. 1.6ACCh. 1 - For each of the following variables, determine...Ch. 1 - Prob. 1.8ACCh. 1 - Prob. 1.9ACCh. 1 - Prob. 1.10AC
Ch. 1 - The director of market research at a large...Ch. 1 - Prob. 1.15ACCh. 1 - Prob. 1.17LBCh. 1 - Fora population of N = 902, verify that by...Ch. 1 - Given a population of N = 93, starting in row 29,...Ch. 1 - Prob. 1.20ACCh. 1 - You want to select a random sample of n = 1 from a...Ch. 1 - Prob. 1.22ACCh. 1 - Prob. 1.23ACCh. 1 - Prob. 1.24ACCh. 1 - Prob. 1.25ACCh. 1 - Prob. 1.26ACCh. 1 - Prob. 1.27ACCh. 1 - Prob. 1.28ACCh. 1 - Prob. 1.29ACCh. 1 - Prob. 1.30ACCh. 1 - Prob. 1.34ACCh. 1 - Prob. 1.35CYUCh. 1 - Prob. 1.36CYUCh. 1 - Prob. 1.37CYUCh. 1 - Prob. 1.38CYUCh. 1 - Prob. 1.39CYUCh. 1 - What is the difference between an interval scaled...Ch. 1 - What is the difference between probability...Ch. 1 - Prob. 1.42CYUCh. 1 - Prob. 1.43CYUCh. 1 - Prob. 1.45CYUCh. 1 - Prob. 1.48CRPCh. 1 - Prob. 1.51CRPCh. 1 - Prob. 1.52CRPCh. 1 - Social media provides an enormous amount of data...
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