PRACTICE OF STATS - 1 TERM ACCESS CODE
4th Edition
ISBN: 9781319403348
Author: BALDI
Publisher: Macmillan Higher Education
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Question
Chapter 15, Problem 15.1AYK
(a)
To determine
To explain: whether it is correct to calculate from the given data
(a)
Expert Solution
Answer to Problem 15.1AYK
It is not reasonable to calculate the confidence interval for the percent answering.
Explanation of Solution
Given:
Of the 1290 vote cast, 864 were “yes” response.
In this study, the responses of the question have two options, say, Yes or No. In this poll, it is not mandatory to give responses for the question. This type of survey is called voluntary survey.
It is not reasonable to calculate the confidence interval for the percent answering.
Conclusion:
Therefore, it is not reasonable to calculate the confidence interval for the percent answering.
(b)
To determine
To explain: whether it is correct to calculate from the given data
(b)
Expert Solution
Answer to Problem 15.1AYK
It is not reasonable to calculate the confidence interval for the percent answering, because it is a voluntary survey.
Explanation of Solution
It is not mandatory for online readers to give responses for the question. It depends upon online readers what to click or whether to click or not.
It is not reasonable to calculate the confidence interval for the percent answering, because it is a voluntary survey.
Conclusion:
Therefore,it is not reasonable to calculate the confidence interval for the percent answering, because it is a voluntary survey.
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Given the following sample data values:
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x=
b) x² =
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n
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=
e) Midrange
x
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(use one decimal place accuracy)
(use one decimal place accuracy)
(use one decimal place accuracy)
f) the range=
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2
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Table of hours of television watched per week:
11
15 24
34
36
22
20
30
12
32
24
36
42
36
42
26
37
39
48
35
26
29
27
81276
40
54
47
KARKE
31
35
42
75
35
46
36
42
65
28
54 65
28
23
28
23669
34
43 35 36
16
19
19
28212
Using the data above, construct a frequency table according the following
classes:
Number of Hours Frequency Relative Frequency
10-19
20-29
|30-39
40-49
50-59
60-69
70-79
80-89
From the frequency table above, find
a) the lower class limits
b) the upper class limits
c) the class width
d) the class boundaries
Statistics 300
Frequency Tables and Pictures of Data, page 2
Using your frequency table, construct a frequency and a relative frequency
histogram labeling both axes.
Table of hours of television watched per week:
11
15 24
34
36
22
20
30
12
32
24
36
42
36
42
26
37
39
48
35
26
29
27
81276
40
54
47
KARKE
31
35
42
75
35
46
36
42
65
28
54 65
28
23
28
23669
34
43 35 36
16
19
19
28212
Using the data above, construct a frequency table according the following
classes:
Number of Hours Frequency Relative Frequency
10-19
20-29
|30-39
40-49
50-59
60-69
70-79
80-89
From the frequency table above, find
a) the lower class limits
b) the upper class limits
c) the class width
d) the class boundaries
Statistics 300
Frequency Tables and Pictures of Data, page 2
Using your frequency table, construct a frequency and a relative frequency
histogram labeling both axes.
Chapter 15 Solutions
PRACTICE OF STATS - 1 TERM ACCESS CODE
Ch. 15 - Prob. 15.1AYKCh. 15 - Prob. 15.2AYKCh. 15 - Prob. 15.3AYKCh. 15 - Prob. 15.4AYKCh. 15 - Prob. 15.5AYKCh. 15 - Prob. 15.6AYKCh. 15 - Prob. 15.8AYKCh. 15 - Prob. 15.9AYKCh. 15 - Prob. 15.10AYKCh. 15 - Prob. 15.11AYK
Ch. 15 - Prob. 15.12AYKCh. 15 - Prob. 15.13AYKCh. 15 - Prob. 15.14AYKCh. 15 - Prob. 15.15AYKCh. 15 - Prob. 15.16AYKCh. 15 - Prob. 15.17AYKCh. 15 - Prob. 15.18CYSCh. 15 - Prob. 15.19CYSCh. 15 - Prob. 15.20CYSCh. 15 - Prob. 15.21CYSCh. 15 - Prob. 15.22CYSCh. 15 - Prob. 15.23CYSCh. 15 - Prob. 15.24CYSCh. 15 - Prob. 15.25CYSCh. 15 - Prob. 15.26CYSCh. 15 - Prob. 15.27CYSCh. 15 - Prob. 15.28ECh. 15 - Prob. 15.29ECh. 15 - Prob. 15.30ECh. 15 - Prob. 15.31ECh. 15 - Prob. 15.32ECh. 15 - Prob. 15.33ECh. 15 - Prob. 15.34ECh. 15 - Prob. 15.35ECh. 15 - Prob. 15.36ECh. 15 - Prob. 15.37ECh. 15 - Prob. 15.38ECh. 15 - Prob. 15.39ECh. 15 - Prob. 15.40ECh. 15 - Prob. 15.41ECh. 15 - Prob. 15.42E
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