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Test Bank for Introduction to Probability and Statistics, 15th Edition Mendenhall (All Chapters included) CA$42.32   Add to cart
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Test Bank for Introduction to Probability and Statistics, 15th Edition Mendenhall (All Chapters included)
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  • Course
  • Introduction to Statistics
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  • Introduction To Statistics

Complete Test Bank for Introduction to Probability and Statistics, 15th Edition by William Mendenhall, Robert J. Beaver, Barbara M. Beaver ; ISBN13: 9781337554428. (Full Chapters included Ch 1 to 15).....1. Describing Data with Graphs. 2. Describing Data with Numerical Measures. 3. Describing Biv...

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  • December 28, 2023
  • 954
  • 2020/2021
  • Exam (elaborations)
  • Questions & answers

Subjects

  • test
  • bank
  • introduction to
  • probability
  • statistics
  • 15th edition
  • 15e
  • mendenhall
  • 9781337554428
  • quiz bank
  • exam practice
  • tests
  • test bank
  • introduction to probability and statistics
  • exam bank
  • practice quizzes

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  • Introduction to Statistics
  • Introduction to Statistics

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TEST BANK


Introduction to Probability and Statistics
15th Edition by William Mendenhall



Complete Chapter Test Bank
are included (Ch 1 to 15)




** Immediate Download
** Swift Response
** All Chapters included

,Chapter 01 - Describing Data with Graphs

1. A variable is a characteristic that changes or varies over time, and/or for different individuals or objects under
consideration. An experimental unit is the individual or object on which a variable is measured.
a. True
b. False
ANSWER: True
POINTS: 1
QUESTION TYPE: True / False
HAS VARIABLES: False
DATE CREATED: 2/4/2019 3:06 AM
DATE MODIFIED: 2/4/2019 3:06 AM

2. Bar and pie charts are graphical techniques for qualitative data. The former focus the attention on the
frequency of the occurrences of the categories, and the later emphasize the percentage of occurrences of each
category.
a. True
b. False
ANSWER: True
POINTS: 1
QUESTION TYPE: True / False
HAS VARIABLES: False
DATE CREATED: 2/4/2019 3:06 AM
DATE MODIFIED: 2/4/2019 3:06 AM

3. In a sample of 1000 students in a university, 125 of them or 12.5% are biology majors. The 12.5% is an
example of statistical inference.
a. True
b. False
ANSWER: False
POINTS: 1
QUESTION TYPE: True / False
HAS VARIABLES: False
DATE CREATED: 2/4/2019 3:06 AM
DATE MODIFIED: 2/4/2019 3:06 AM

4. Individual observations within each class may be found in a frequency distribution.
a. True
b. False
ANSWER: False
POINTS: 1
QUESTION TYPE: True / False
HAS VARIABLES: False
DATE CREATED: 2/4/2019 3:06 AM
DATE MODIFIED: 2/4/2019 3:06 AM

5. Twenty-five percent of a sample of 200 professional tennis players indicated that their parents did not play
Page 1

, Chapter 01 - Describing Data with Graphs

tennis. This is an example of descriptive statistics as opposed to inferential statistics.
a. True
b. False
ANSWER: True
POINTS: 1
QUESTION TYPE: True / False
HAS VARIABLES: False
DATE CREATED: 2/4/2019 3:06 AM
DATE MODIFIED: 2/4/2019 3:06 AM

6. A local cable system using a sample of 1000 subscribers estimates that fifty percent of its subscribers watch
premium channel at least five times per week. This is an example of inferential statistics as opposed to
descriptive statistics.
a. True
b. False
ANSWER: True
POINTS: 1
QUESTION TYPE: True / False
HAS VARIABLES: False
DATE CREATED: 2/4/2019 3:06 AM
DATE MODIFIED: 2/4/2019 3:06 AM

7. Statistical inference is the process of making an estimate, prediction, or decision about a population based on
sample data.
a. True
b. False
ANSWER: True
POINTS: 1
QUESTION TYPE: True / False
HAS VARIABLES: False
DATE CREATED: 2/4/2019 3:06 AM
DATE MODIFIED: 2/4/2019 3:06 AM

8. In the term "frequency distribution," frequency refers to the number of data values or measurements falling
within each class.
a. True
b. False
ANSWER: True
POINTS: 1
QUESTION TYPE: True / False
HAS VARIABLES: False
DATE CREATED: 2/4/2019 3:06 AM
DATE MODIFIED: 2/4/2019 3:06 AM

9. A branch of the statistics discipline that is used to develop and utilize techniques for effectively presenting
Page 2

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