les4e_alq_02ac
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Active Learning Lecture Slides For use with Classroom Response Systems
Chapter 2: Descriptive Statistics
Elementary Statistics: Picturing the World Fourth Edition by Larson and Farber
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 4- 1
Find the class width:
A. 3
Class 1– 5
Frequency, f 21
6 – 10 11 – 15 16 – 20
16 28 13
B. 4 C. 5 D. 19
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 2- 2
Find the class width:
A. 3
Class 1– 5
Frequency, f 21
6 – 10 11 – 15 16 – 20
16 28 13
B. 4 C. 5 D. 19
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 2- 3
Estimate the frequency of the class with the greatest frequency.
A. 28 B. 21 C. 58
D. 53
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 2- 4
Estimate the frequency of the class with the greatest frequency.
A. 28 B. 21 C. 58
D. 53
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 2- 5
What is the maximum data entry? Key: 3 | 8 = 38
A. 96
B. 38 C. 9 D. 41
3 4 5 6 7 8 9
8 0 1 3 0 2 1
9 2 1 3 0 2 1
7 4 3 1 3 4
8 8 1 4 5
9 9 2 4 7 8 8 8 8 9 7 7 8 9 9 6
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 2- 6
What is the maximum data entry? Key: 3 | 8 = 38
A. 96
B. 38 C. 9 D. 41
3 4 5 6 7 8 9
8 0 1 3 0 2 1
9 2 1 3 0 2 1
7 4 3 1 3 4
8 8 1 4 5
9 9 2 4 7 8 8 8 8 9 7 7 8 9 9 6
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 2- 7
The heights (in inches) of a sample of basketball players are shown:
76
79
81
78
82
78
Find the mean. A. 78.5 B. 79 C. 474
D. 78
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 2- 8
The heights (in inches) of a sample of basketball players are shown:
76
79
81
78
82
78
Find the mean. A. 78.5 B. 79 C. 474
D. 78
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 2- 9
The heights (in inches) of a sample of basketball players are shown:
76
79
81
78
82
78
Find the median. A. 78.5 B. 79 C. 79.5
D. 78
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 2- 10
The heights (in inches) of a sample of basketball players are shown:
76
79
81
78
82
78
Find the median. A. 78.5 B. 79 C. 79.5
D. 78
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 2- 11
The heights (in inches) of a sample of basketball players are shown:
76
79
81
78
82
78
Find the mode. A. 78.5 B. 79 C. 79.5
D. 78
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 2- 12
The heights (in inches) of a sample of basketball players are shown:
76
79
81
78
82
78
Find the mode. A. 78.5 B. 79 C. 79.5
D. 78
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 2- 13
The heights (in inches) of a sample of basketball players are shown:
76
79
81
78
82
78
Find the standard deviation. A. 2.2 B. 6 C. 2
D. 4.8
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 2- 14
The heights (in inches) of a sample of basketball players are shown:
76
79
81
78
82
78
Find the standard deviation. A. 2.2 B. 6 C. 2
D. 4.8
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 2- 15
The mean annual automobile insurance premium is $950, with a standard deviation of $175. The data set has a bell-shaped distribution. Estimate the percent of premiums that are between $600 and $1300.
A. 68% B. 75% C. 95% D. 99.7%
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 2- 16
The mean annual automobile insurance premium is $950, with a standard deviation of $175. The data set has a bell-shaped distribution. Estimate the percent of premiums that are between $600 and $1300.
A. 68% B. 75% C. 95% D. 99.7%
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 2- 17
Use the box-and-whisker plot to identify the first quartile. 10 |
18 |
|
|
|
24 26 |
|
|
|
30 |
|
10 12 14 16 18 20 22 24 26 28 30
A. 10 B. 18
C. 24 D. 26 Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 2- 18
Use the box-and-whisker plot to identify the first quartile. 10 |
18 |
|
|
|
24 26 |
|
|
|
30 |
|
10 12 14 16 18 20 22 24 26 28 30
A. 10 B. 18
C. 24 D. 26 Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 2- 19
The mean annual automobile insurance premium is $950, with a standard deviation of $175. Find the z-score that corresponds to a premium of $1250. A. 1.13 B. –1.13 C. 1.71
D. –1.71
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 2- 20
The mean annual automobile insurance premium is $950, with a standard deviation of $175. Find the z-score that corresponds to a premium of $1250. A. 1.13 B. –1.13 C. 1.71
D. –1.71
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 2- 21
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