,Test Bank For
Basic Statistics For Business And Economics 7th Edition By Douglas A. Lind, William G.
Marchal, Samuel A. Wathen, Carol Ann Waite, Kevin Murphy
Chapter 1-17
Chapter 1
Student name:__________
1) The general process of gathering, organizing, summarizing, analyzing, and interpreting data
is called:
A) Statistics.
B) Descriptive statistics.
C) Inferential statistics.
D) Levels of measurement.
2) The general process of analyzing, and interpreting data to assist in making more effective
decisions is called:
A) Statistics.
B) Descriptive statistics.
C) Inferential statistics.
D) Levels of measurement.
3) The general process of gathering, organizing, presenting, analyzing, and interpreting data to
assist in making more effective decisions is called:
A) Statistics.
B) Descriptive statistics.
C) Inferential statistics.
D) Levels of measurement.
4) The general process of organizing, summarizing, and presenting data in an informative way
is called:
A) Statistics.
B) Descriptive statistics.
C) Inferential statistics.
D) Levels of measurement.
,5) (i) The general process of gathering, organizing, presenting, analyzing, and interpreting data
to assist in making more effective decisions is called:
(ii) The general process of analyzing, and interpreting data to assist in making more effective
decisions is called:
(iii) The entire set of individuals or objects of interest or the measurements obtained from all
individuals or objects of interest is called:
A) (i) statistics, (ii) descriptive statistics, and (iii) a population.
B) (i) descriptive statistics, (ii) inferential statistics, and (iii) a sample.
C) (i) inferential statistics, (ii) descriptive statistics, and (iii) a population.
D) (i) statistics, (ii) descriptive statistics, and (iii) a sample.
E) (i) statistics, (ii) inferential statistics, and (iii) a population.
6) (i) The general process of gathering, organizing, presenting, analyzing, and interpreting data
to assist in making more effective decisions is called:
(ii) The general process of analyzing, and interpreting data to assist in making more effective
decisions is called:
(iii) The subset of individuals or objects of interest or the measurements obtained from all
individuals or objects of interest is called:
A) (i) statistics, (ii) descriptive statistics, and (iii) a population.
B) (i) descriptive statistics, (ii) inferential statistics, and (iii) a sample.
C) (i) inferential statistics, (ii) descriptive statistics, and (iii) a population.
D) (i) statistics, (ii) inferential statistics, and (iii) a sample.
E) (i) statistics, (ii) inferential statistics, and (iii) a population.
7) (i) The general process of gathering, organizing, presenting, analyzing, and interpreting data
to assist in making more effective decisions is called:
(ii) The general process of analyzing, and interpreting data to assist in making more effective
decisions is called:
(iii) If we test a small number of light bulbs from a large group, the small group is called a:
A) (i) statistics, (ii) descriptive statistics, and (iii) a population.
B) (i) descriptive statistics, (ii) inferential statistics, and (iii) a sample.
C) (i) inferential statistics, (ii) descriptive statistics, and (iii) a population.
D) (i) statistics, (ii) inferential statistics, and (iii) a sample.
E) (i) statistics, (ii) inferential statistics, and (iii) a population.
, 8) (i) There are two types of variables-quantitative and qualitative.
(ii) A Qualitative variable is nonnumeric and we are usually interested in the number or
percent of the observations from each category.
(iii) Qualitative variables can be further divided into discrete and continuous variables.
A) (i), (ii) and (iii) are all correct statements.
B) (i) and, (ii) are correct statements but not (iii).
C) (i) and, (iii) are correct statements but not (ii).
D) (ii) and, (iii) are correct statements but not (i).
9) The main purpose of descriptive statistics is to:
A) Summarize data in a useful and informative manner.
B) Make inferences about a population.
C) Determine if the data adequately represents the population.
D) Gather or collect data.
10) When TV advertisements report that "2 out of 3 dentists surveyed indicated they would
recommend Brand X toothpaste to their patients," an informed consumer may question the
conclusion because:
A) The results were incorrectly computed.
B) Dentists were not really surveyed.
C) The conclusion does not include the total number of dentists surveyed.
D) The conclusion is not illustrated with a graph.
11) What is a portion or part of a population called?
A) Random sample
B) Sample
C) Tally
D) Frequency distribution
A marketing class of 50 students evaluated the instructor using the following scale: superior,
good, average, poor, and inferior. The descriptive summary showed the following survey results:
2% superior, 8% good, 45% average, 45% poor, and 0% inferior.
E) The instructor's performance was great!!!
F) The instructor's performance was inferior.
G) Most students rated the instructor as poor or average.
H) No conclusions can be made.