Test Bank for Introductory Statistics, 10th Edition by Prem S. Mann

Introductory Statistics, 10e (Mann)
Chapter 1 Introduction

1.1 Statistics and Types of Statistics

1) Under descriptive statistics, we study:
A) the methods to make decisions about one or more populations based on sample results
B) the methods for organizing, displaying, and describing data
C) how to describe the probability distribution
D) samples to assist in decision making
Answer: B
Diff: 1
LO: 1.1.0 Demonstrate an understanding of the types of statistics.
Section: 1.1 Statistics and Types of Statistics
Question Title: Chapter 01, Testbank Question 001

2) Under inferential statistics, we study:
A) the methods to make decisions about one or more populations based on sample results
B) the methods for organizing, displaying, and describing data
C) how to describe the frequency distribution
D) types of summary measures
Answer: A
Diff: 1
LO: 1.1.0 Demonstrate an understanding of the types of statistics.
Section: 1.1 Statistics and Types of Statistics
Question Title: Chapter 01, Testbank Question 002

3) True or False: In statistics, a population consists of all subjects or objects whose
characteristics are being studied.
Answer: TRUE
Diff: 1
LO: 1.1.0 Demonstrate an understanding of the types of statistics.
Section: 1.1 Statistics and Types of Statistics
Question Title: Chapter 01, Testbank Question 003

4) In statistics, we define a sample as:
A) people living in one city only
B) the target population
C) all items under investigation
D) a portion of the population
Answer: D
Diff: 1
LO: 1.1.0 Demonstrate an understanding of the types of statistics.
Section: 1.1 Statistics and Types of Statistics
Question Title: Chapter 01, Testbank Question 004



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, 1.2 Basic Terms

1) An observation is a:
A) graph observed for a data set
B) value of a variable for a single element
C) table prepared for a data set
D) sample observed from the population
Answer: B
Diff: 1
LO: 1.2.0 Demonstrate an understanding of the basic terms used in statistics.
Section: 1.2 Basic Terms
Question Title: Chapter 01, Testbank Question 005

2) An independent group wants to determine if the consumption of gasoline has increased due to
changes in price. The group randomly selects 320 gas stations from 12 different states and
collects data from the month of the year when gas is the cheapest and from the month of the year
when gas is the most expensive. The data shows no significant difference in gas consumption
between the two months. In this example, what is the variable being studied?
A) The 320 gas stations chosen
B) The 12 different states
C) The consumption of gasoline
D) The price of gasoline
Answer: C
Diff: 1
LO: 1.2.0 Demonstrate an understanding of the basic terms used in statistics.
Section: 1.2 Basic Terms
Question Title: Chapter 01, Testbank Question 006

3) A data set is a:
A) set of decisions made about the population
B) set of graphs and pictures
C) collection of observations on one or more variables
D) score collected from an element of the population
Answer: C
Diff: 1
LO: 1.2.0 Demonstrate an understanding of the basic terms used in statistics.
Section: 1.2 Basic Terms
Question Title: Chapter 01, Testbank Question 007




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