Chapter 1 Introduction
1) The process of using data collected from a small group to reach conclusions about a
large group is called
A) statistical inference.
B) the scientific method.
C) sampling.
D) descriptive statistics.
Answer: A
Difficulty: Easy
Keywords: inferential statistics
2) Those methods involving the collection, presentation, and characterization of a set of
data in order to properly describe the various features of that set of data are called
A) statistical inference.
B) the scientific method.
C) sampling.
D) descriptive statistics.
Answer: D
Difficulty: Easy
Keywords: descriptive statistics
3) The collection and summarization of the socioeconomic and physical characteristics of
the employees of a particular firm is an example of
A) inferential statistics.
,B) descriptive statistics.
C) a parameter.
D) a statistic.
Answer: B
Difficulty: Easy
Keywords: descriptive statistics
4) The estimation of the population's average family expenditure on food based on the
sample average expenditure of 1,000 families is an example of
A) inferential statistics.
B) descriptive statistics.
C) a parameter.
D) a statistic.
Answer: A
Difficulty: Easy
Keywords: inferential statistics
,5) The universe or "totality of items or things" under consideration is called
A) a sample.
B) a population.
C) a parameter.
D) a statistic.
Answer: B
Difficulty: Easy
Keywords: population
6) The portion of the universe that has been selected for analysis is called
A) a sample.
B) a frame.
C) a parameter.
D) a statistic.
Answer: A
Difficulty: Easy
Keywords: sample
7) A summary measure that is computed to describe a characteristic from only a sample
of the population is called
A) a parameter.
B) a census.
C) a statistic.
D) the scientific method.
Answer: C
Difficulty: Easy
Keywords: statistic
, 8) A summary measure that is computed to describe a characteristic of an entire
population is called
A) a parameter.
B) a census.
C) a statistic.
D) the scientific method.
Answer: A
Difficulty: Easy
Keywords: parameter
9) Which of the following is most likely a population as opposed to a sample?
A) respondents to a newspaper survey
B) the first five students completing an assignment
C) every third person to arrive at the bank
D) registered voters in a county
Answer: D
Difficulty: Moderate
Keywords: population, sample