Student's Solutions Manual For Intro Stats
5th Edition
ISBN: 9780134265353
Author: William B Craine
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 37E
(Exercises 27–40) For each description of data, identify the W’s, name the variables, specify for each variable whether its use indicates that it should be treated as categorical or quantitative, and, for any quantitative variable, identify the units in which it was measured (or note that they were not provided).
37. Refrigerators In 2013, Consumer Reports published an article evaluating refrigerators. It listed 353 models, giving the brand, cost, size (cu ft), type (such as top freezer), estimated annual energy cost, an overall rating (good, excellent, etc.), and the repair history for that brand (percentage requiring repairs over the past 5 years).
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The table shows the number of accidents, fatalities, hours and miles flew for U.S. airlines.
Year
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2000
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Cellulon, a manufacturer of home insulation, wants to develop guidelines for builders and consumers on how the thickness of the insulation in the attic of a home and the outdoor temperature affect natural gas consumption. In the laboratory, it varied the insulation thickness and temperature. A few of the findings are:
Monthly Natural Gas Consumption (cubic feet), Y
Thickness of Insulation (inches), X1
Outdoor Temperature (°F), X2
30.3
6
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Group of answer choices
36.69 cubic feet
30.30 cubic feet
30.89 cubic feet
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Use this data and create a model that estimates a student's giving rate as an alumni based on the three parameters provided.
If a class has a graduation rate of 74, the % of classes under 20 student equal to 55, and a Student=Faculty Ratio of 19, what should we expect our Alumni Giving Rate to be? (Enter a whole number)
University
Graduation Rate
% of Classes Under 20
Student-Faculty Ratio
Alumni Giving Rate
Boston College
85
39
13
25
Brandeis University
79
68
8
33
Brown University
93
60
8
40
California Institute of Technology
85
65
3
46
Carnegie Mellon University
75
67
10
28
Case Western Reserve Univ.
72
52
8
31
College of William and Mary
89
45
12
27
Columbia University
90
69
7
31
Cornell University
91
72
13
35
Dartmouth College
94
61
10
53
Duke University
92
68
8
45
Emory University
84
65
7
37
Georgetown University
91
54
10
29
Harvard University
97
73
8
46
Johns Hopkins University
89
64
9
27
Lehigh University
81
55
11
40
Massachusetts Inst.…
Chapter 1 Solutions
Student's Solutions Manual For Intro Stats
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