EBK ELEMENTARY STATISTICS USING EXCEL
7th Edition
ISBN: 9780136937401
Author: Triola
Publisher: VST
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Chapter 7.1, Problem 13BSC
a)
To determine
To find: The point estimate of the population proportion.
b)
To determine
To find: The value of the margin of error.
c)
To determine
To find: The 95% confidence interval.
d)
To determine
To provide: The interpretation for the computed confidence interval.
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Students have asked these similar questions
The following ordered data list shows the data speeds for cell phones used by a
telephone company at an airport:
A. Calculate the Measures of Central Tendency from the ungrouped data list.
B. Group the data in an appropriate frequency table.
C. Calculate the Measures of Central Tendency using the table in point B.
D. Are there differences in the measurements obtained in A and C? Why (give at
least one justified reason)?
I leave the answers to A and B to resolve the remaining two.
0.8
1.4
1.8
1.9
3.2
3.6
4.5
4.5
4.6
6.2
6.5
7.7
7.9
9.9
10.2
10.3
10.9
11.1
11.1
11.6
11.8
12.0
13.1
13.5
13.7
14.1
14.2
14.7
15.0
15.1
15.5
15.8
16.0
17.5
18.2
20.2
21.1
21.5
22.2
22.4
23.1
24.5
25.7
28.5
34.6
38.5
43.0
55.6
71.3
77.8
A. Measures of Central Tendency
We are to calculate:
Mean, Median, Mode
The data (already ordered) is:
0.8, 1.4, 1.8, 1.9, 3.2, 3.6, 4.5, 4.5, 4.6, 6.2, 6.5, 7.7, 7.9, 9.9, 10.2, 10.3, 10.9,
11.1, 11.1, 11.6,
11.8, 12.0, 13.1, 13.5, 13.7, 14.1, 14.2, 14.7, 15.0, 15.1, 15.5,…
PEER REPLY 1:
Choose a classmate's Main Post.
1. Indicate a range of values for the independent variable (x) that is reasonable
based on the data provided.
2. Explain what the predicted range of dependent values should be based on
the range of independent values.
In a company with 80 employees, 60 earn $10.00 per hour and 20 earn $13.00 per
hour.
Is this average hourly wage considered representative?
Chapter 7 Solutions
EBK ELEMENTARY STATISTICS USING EXCEL
Ch. 7.1 - Prob. 1BSCCh. 7.1 - Prob. 2BSCCh. 7.1 - 3. Notation For the poll described in Exercise 1,...Ch. 7.1 - 4. Confidence Levels Given specific sample data,...Ch. 7.1 - Prob. 5BSCCh. 7.1 - Prob. 6BSCCh. 7.1 - Prob. 7BSCCh. 7.1 - Prob. 8BSCCh. 7.1 - Prob. 9BSCCh. 7.1 - Prob. 10BSC
Ch. 7.1 - Prob. 11BSCCh. 7.1 - Prob. 12BSCCh. 7.1 - Prob. 13BSCCh. 7.1 - Prob. 14BSCCh. 7.1 - Prob. 15BSCCh. 7.1 - Prob. 16BSCCh. 7.1 - Critical Thinking. In Exercises 17–28, use the...Ch. 7.1 - Prob. 18BSCCh. 7.1 - Prob. 19BSCCh. 7.1 - Critical Thinking. In Exercises 17–28, use the...Ch. 7.1 - 21. Touch Therapy When she was 9 years of age,...Ch. 7.1 - Prob. 22BSCCh. 7.1 - Prob. 23BSCCh. 7.1 - Prob. 24BSCCh. 7.1 - Prob. 25BSCCh. 7.1 - Prob. 26BSCCh. 7.1 - Prob. 27BSCCh. 7.1 - Prob. 28BSCCh. 7.1 - Using Appendix B Data Sets. In Exercises 29 and...Ch. 7.1 - Prob. 30BSCCh. 7.1 - Prob. 31BSCCh. 7.1 - Prob. 32BSCCh. 7.1 - Prob. 33BSCCh. 7.1 - Determining Sample Size. In Exercises 31–38, use...Ch. 7.1 - Prob. 35BSCCh. 7.1 - Prob. 36BSCCh. 7.1 - Prob. 37BSCCh. 7.1 - Prob. 38BSCCh. 7.1 - Prob. 39BBCh. 7.1 - Prob. 40BBCh. 7.1 - Prob. 41BBCh. 7.2 - Prob. 1BSCCh. 7.2 - Statistical Literacy and Critical Thinking
In...Ch. 7.2 - Prob. 3BSCCh. 7.2 - Prob. 4BSCCh. 7.2 - Prob. 5BSCCh. 7.2 - Prob. 6BSCCh. 7.2 - Prob. 7BSCCh. 7.2 - Prob. 8BSCCh. 7.2 - Prob. 9BSCCh. 7.2 - Prob. 10BSCCh. 7.2 - Prob. 11BSCCh. 7.2 - Prob. 12BSCCh. 7.2 - Prob. 13BSCCh. 7.2 - Prob. 14BSCCh. 7.2 - Prob. 15BSCCh. 7.2 - Prob. 16BSCCh. 7.2 - Prob. 17BSCCh. 7.2 - Prob. 18BSCCh. 7.2 - Prob. 19BSCCh. 7.2 - Confidence Intervals. In Exercises 9–24, construct...Ch. 7.2 - Prob. 21BSCCh. 7.2 - Prob. 22BSCCh. 7.2 - Prob. 23BSCCh. 7.2 - Prob. 24BSCCh. 7.2 - Prob. 25BSCCh. 7.2 - Prob. 26BSCCh. 7.2 - Prob. 27BSCCh. 7.2 - Prob. 28BSCCh. 7.2 - Prob. 29BSCCh. 7.2 - Prob. 30BSCCh. 7.2 - Prob. 31BSCCh. 7.2 - Prob. 32BSCCh. 7.2 - Prob. 33BBCh. 7.2 - Prob. 34BBCh. 7.3 - Prob. 1BSCCh. 7.3 - Prob. 2BSCCh. 7.3 - Prob. 3BSCCh. 7.3 - Prob. 4BSCCh. 7.3 - Prob. 5BSCCh. 7.3 - Prob. 6BSCCh. 7.3 - Prob. 7BSCCh. 7.3 - Prob. 8BSCCh. 7.3 - Prob. 9BSCCh. 7.3 - Finding Confidence Intervals. In Exercises 9–16,...Ch. 7.3 - Prob. 11BSCCh. 7.3 - Prob. 12BSCCh. 7.3 - Prob. 13BSCCh. 7.3 - Prob. 14BSCCh. 7.3 - Prob. 15BSCCh. 7.3 - 16. Comparing Waiting Lines
a. The values listed...Ch. 7.3 - Prob. 17BSCCh. 7.3 - Prob. 18BSCCh. 7.3 - Prob. 19BSCCh. 7.3 - Prob. 20BSCCh. 7.3 - Prob. 23BBCh. 7.3 - Prob. 24BBCh. 7.4 - Prob. 3BSCCh. 7.4 - Prob. 5BSCCh. 7.4 - Prob. 6BSCCh. 7.4 - Prob. 7BSCCh. 7.4 - Prob. 8BSCCh. 7.4 - Prob. 9BSCCh. 7.4 - Prob. 10BSCCh. 7.4 - Prob. 18BSCCh. 7 - Prob. 2CQQCh. 7 - Prob. 3CQQCh. 7 - 4. Loose Change USA Today reported that 40% of...Ch. 7 - 5. Sample Size for Proportion Find the sample size...Ch. 7 - Prob. 7CQQCh. 7 - Prob. 8CQQCh. 7 - Prob. 9CQQCh. 7 - Prob. 10CQQCh. 7 - Prob. 1CRECh. 7 - Prob. 3CRECh. 7 - Prob. 1EP
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