Elementary Statistics A Step By Step Approach 10e Allan Bluman (Test Bank All
Chapters, 100% Original Verified, A+ Grade) Answers At The End Of Each Chapter
Chapter 1
Exam
Name___________________________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) The names of all 135 students in a professor's class are written on identical slips of 1) _______
paper, and the slips are placed into a large glass jar. Then, the professor selects 5 random
slips from the jar. Identify the kind of sample that is being used.
A) cluster sample B) simple random sample
C) sample of convenience D) systematic sample
2) A middle school student passes out leaflets to the adults at a school function. The leaflets 2) _______
ask the recipient to indicate whether they believe in anthropogenic global warming. The
bottom of the leaflet indicates that the completed leaflet should be returned to the
student. Identify the kind of sample that is being used.
A) sample of convenience B) stratified sample
C) systematic sample D) cluster sample
3) Which of the following sample types should you always regard as unreliable? 3) _______
A) cluster samples B) stratified samples
C) voluntary response samples D) simple random samples
4) Which of the following is the best description of a randomized experiment? 4) _______
A) an experiment in which the treatments are assigned randomly to experimental units
B) an experiment in which the investigators are chosen at random
C) an experiment in which the experimental units are selected at random
D) an experiment in which the outcomes are random
5) Questioning every 14th customer leaving a theatre about the movie they had seen, would 5) _______
be an example of systematic sampling.
A) False B) True
6) In an experiment, subjects are put into two categories according to sex, and then each 6) _______
subject is randomly assigned a treatment . This is an example of...
A) gender bias B) randomized blocking
C) confounding D) observational studies
7) Which one of the following data are discrete? 7) _______
A) the speed of the boat's propeller, in revolutions per minute
B) the number of crew members on the boat
C) the latitude and longitude of a boat at sea
D) the latitude and longitude of the boat's port of departure
8) When rolling two six-sided dice, your total roll ranges from 2 (double ones) to 12 8) _______
(double sixes).Characterize the nature of the roll total.
A) qualitative and continuous B) quantitative and continuous
C) quantitative and discrete D) qualitative and discrete
,Chapter 1
9) When running an experimental study, the group that is manipulated can be called the 9) _______
treatment group.
A) True B) False
10) In a research study, it is always preferable for the researcher to carefully choose his 10) ______
participants rather than randomly select them from a suitable group.
A) True B) False
11) Which one of the following data are discrete? 11) ______
A) the height of the tallest player on Duke University's men's basketball team
B) the pre-season ranking of Duke University's men's basketball team
C) the average height of players on the University of Connecticut's women's basketball
team
D) the average preseason ranking of the University of Connecticut's women's
basketball team over the past 10 years
12) A(n) _______________ makes it difficult to determine whether an experimental 12) ______
outcome is due to the applied treatment.
A) error B) counfounder
C) uncooperative subject D) perplexer
13) Quantitative data can be further classified as continuous or nonsequential. 13) ______
A) True B) False
14) Which one of the following data are continuous? 14) ______
A) the time remaining for an MP3 music download
B) the number of times the file has been downloaded
C) the number of musicians performing in the MP3 file
D) all of these represent continuous data
15) Inferential statistics is based on probability. 15) ______
A) False B) True
16) The number of birds in a tree is an example of a continuous variable. 16) ______
A) False B) True
17) The variable of height is an example of a quantitative variable. 17) ______
A) False B) True
18) Determine which of the following describes quantitative data. 18) ______
i). the name of a chemical sample
ii). the mass of a chemical sample
iii). the color of a chemical sample
A) i, ii, and iii B) ii only C) i only D) i and ii only
19) A pollster randomly samples 164 Democrats, 141 Republicans and 17 Independents (all 19) ______
registered voters) in Metro City and asks each poll participant which mayorial candidate
he or she prefers. Identify the kind of sample that the pollster is using.
,Chapter 1
A) voluntary response sample B) sample of convenience
C) cluster sample D) stratified sample
20) Determine which of the following describes nominal data. 20) ______
i. My favorite days of the week are Friday, Saturday, and Tuesday.
ii. My favorite day of the week is Friday, my second-favorite is Saturday, and
third-favorite is Tuesday.
A) ii only B) i only C) neither i nor D) both i and ii
ii
21) Determine which of the following describes ordinal data. 21) ______
i. In the horse race, Betty's Girl won, Mr. Ed placed, and Wabash showed.
ii. In the horse race, I bet on Betty's Girl to win, Mr. Ed to place, and Wabash to
show.
A) both i and ii B) ii only C) neither i nor D) i only
ii
22) Which one of the following data are continuous? 22) ______
A) the number of species of trees in a park
B) the rankings of the trees, from most numerous to least numerous
C) the average height of a sample of trees
D) the number of representatives of each species in the park
23) Which of the following is the best description of a double-blind experiment? 23) ______
A) an experiment in which both the investigators and the subjects are hidden from the
others' views
B) an experiment in which neither the investigators nor the subjects know the others'
names
C) an experiment in which the subjects are blindfolded so they cannot see which
treatment is applied to them
D) an experiment in which neither the investigators nor the subjects know how the
treatments have been assigned
24) A person's hair color would be an example of a quantitative variable. 24) ______
A) True B) False
25) Determine which of the following describes qualitative data. 25) ______
i). the make of the car with license plate number VNS-862
ii). the license plate number VNS-862
iii). the number of vehicles whose license plate number begins with "VNS"
A) i only B) iii only
C) neither i, nor ii, nor iii D) i and ii only
26) In a randomized experiment, if there are large differences in outcomes among the 26) ______
treatment groups, we can conclude that the differences are due to
_____________________.
A) experimental error B) deliberate data manipulation
C) the treatments D) random luck
, Chapter 1
27) Based on her electric bills from last year, Mrs. Smith expects she will be paying 27) ______
$75/month this year. This is an example of descriptive statistics.
A) False B) True
28) Rating a restaurant by a number of stars is an example of an ordinal level of 28) ______
measurement.
A) False B) True
29) Determine which of the following describes ordinal data. 29) ______
i. My best friends are Georgia, Amithaba, and Raphael.
ii. My favorite numbers are 2, 7 and 13.
A) i only B) ii only C) both i and ii D) neither i nor
ii
30) By visiting homes door-to-door, a municipality surveys all the households in 134 30) ______
randomly-selected neighborhoods to see how residents feel about a proposed property
tax increase. Identify the type of sample that is being used.
A) systematic sample B) cluster sample
C) voluntary response sample D) stratified sample
31) In the following chart, Height is the independent variable and Age of Tree is the 31) ______
dependent variable.
A) True B) False
32) A dependent variable can also be referred to as an outcome variable. 32) ______
A) False B) True
33) Determine which of the following describes qualitative data. 33) ______
i). the volume of a shipping container, in gallons
ii). the name of the material from which the container is made
iii). the shape of the container
A) ii and iii only B) i, ii, and iii C) i and iii only D) i and ii only
Chapters, 100% Original Verified, A+ Grade) Answers At The End Of Each Chapter
Chapter 1
Exam
Name___________________________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) The names of all 135 students in a professor's class are written on identical slips of 1) _______
paper, and the slips are placed into a large glass jar. Then, the professor selects 5 random
slips from the jar. Identify the kind of sample that is being used.
A) cluster sample B) simple random sample
C) sample of convenience D) systematic sample
2) A middle school student passes out leaflets to the adults at a school function. The leaflets 2) _______
ask the recipient to indicate whether they believe in anthropogenic global warming. The
bottom of the leaflet indicates that the completed leaflet should be returned to the
student. Identify the kind of sample that is being used.
A) sample of convenience B) stratified sample
C) systematic sample D) cluster sample
3) Which of the following sample types should you always regard as unreliable? 3) _______
A) cluster samples B) stratified samples
C) voluntary response samples D) simple random samples
4) Which of the following is the best description of a randomized experiment? 4) _______
A) an experiment in which the treatments are assigned randomly to experimental units
B) an experiment in which the investigators are chosen at random
C) an experiment in which the experimental units are selected at random
D) an experiment in which the outcomes are random
5) Questioning every 14th customer leaving a theatre about the movie they had seen, would 5) _______
be an example of systematic sampling.
A) False B) True
6) In an experiment, subjects are put into two categories according to sex, and then each 6) _______
subject is randomly assigned a treatment . This is an example of...
A) gender bias B) randomized blocking
C) confounding D) observational studies
7) Which one of the following data are discrete? 7) _______
A) the speed of the boat's propeller, in revolutions per minute
B) the number of crew members on the boat
C) the latitude and longitude of a boat at sea
D) the latitude and longitude of the boat's port of departure
8) When rolling two six-sided dice, your total roll ranges from 2 (double ones) to 12 8) _______
(double sixes).Characterize the nature of the roll total.
A) qualitative and continuous B) quantitative and continuous
C) quantitative and discrete D) qualitative and discrete
,Chapter 1
9) When running an experimental study, the group that is manipulated can be called the 9) _______
treatment group.
A) True B) False
10) In a research study, it is always preferable for the researcher to carefully choose his 10) ______
participants rather than randomly select them from a suitable group.
A) True B) False
11) Which one of the following data are discrete? 11) ______
A) the height of the tallest player on Duke University's men's basketball team
B) the pre-season ranking of Duke University's men's basketball team
C) the average height of players on the University of Connecticut's women's basketball
team
D) the average preseason ranking of the University of Connecticut's women's
basketball team over the past 10 years
12) A(n) _______________ makes it difficult to determine whether an experimental 12) ______
outcome is due to the applied treatment.
A) error B) counfounder
C) uncooperative subject D) perplexer
13) Quantitative data can be further classified as continuous or nonsequential. 13) ______
A) True B) False
14) Which one of the following data are continuous? 14) ______
A) the time remaining for an MP3 music download
B) the number of times the file has been downloaded
C) the number of musicians performing in the MP3 file
D) all of these represent continuous data
15) Inferential statistics is based on probability. 15) ______
A) False B) True
16) The number of birds in a tree is an example of a continuous variable. 16) ______
A) False B) True
17) The variable of height is an example of a quantitative variable. 17) ______
A) False B) True
18) Determine which of the following describes quantitative data. 18) ______
i). the name of a chemical sample
ii). the mass of a chemical sample
iii). the color of a chemical sample
A) i, ii, and iii B) ii only C) i only D) i and ii only
19) A pollster randomly samples 164 Democrats, 141 Republicans and 17 Independents (all 19) ______
registered voters) in Metro City and asks each poll participant which mayorial candidate
he or she prefers. Identify the kind of sample that the pollster is using.
,Chapter 1
A) voluntary response sample B) sample of convenience
C) cluster sample D) stratified sample
20) Determine which of the following describes nominal data. 20) ______
i. My favorite days of the week are Friday, Saturday, and Tuesday.
ii. My favorite day of the week is Friday, my second-favorite is Saturday, and
third-favorite is Tuesday.
A) ii only B) i only C) neither i nor D) both i and ii
ii
21) Determine which of the following describes ordinal data. 21) ______
i. In the horse race, Betty's Girl won, Mr. Ed placed, and Wabash showed.
ii. In the horse race, I bet on Betty's Girl to win, Mr. Ed to place, and Wabash to
show.
A) both i and ii B) ii only C) neither i nor D) i only
ii
22) Which one of the following data are continuous? 22) ______
A) the number of species of trees in a park
B) the rankings of the trees, from most numerous to least numerous
C) the average height of a sample of trees
D) the number of representatives of each species in the park
23) Which of the following is the best description of a double-blind experiment? 23) ______
A) an experiment in which both the investigators and the subjects are hidden from the
others' views
B) an experiment in which neither the investigators nor the subjects know the others'
names
C) an experiment in which the subjects are blindfolded so they cannot see which
treatment is applied to them
D) an experiment in which neither the investigators nor the subjects know how the
treatments have been assigned
24) A person's hair color would be an example of a quantitative variable. 24) ______
A) True B) False
25) Determine which of the following describes qualitative data. 25) ______
i). the make of the car with license plate number VNS-862
ii). the license plate number VNS-862
iii). the number of vehicles whose license plate number begins with "VNS"
A) i only B) iii only
C) neither i, nor ii, nor iii D) i and ii only
26) In a randomized experiment, if there are large differences in outcomes among the 26) ______
treatment groups, we can conclude that the differences are due to
_____________________.
A) experimental error B) deliberate data manipulation
C) the treatments D) random luck
, Chapter 1
27) Based on her electric bills from last year, Mrs. Smith expects she will be paying 27) ______
$75/month this year. This is an example of descriptive statistics.
A) False B) True
28) Rating a restaurant by a number of stars is an example of an ordinal level of 28) ______
measurement.
A) False B) True
29) Determine which of the following describes ordinal data. 29) ______
i. My best friends are Georgia, Amithaba, and Raphael.
ii. My favorite numbers are 2, 7 and 13.
A) i only B) ii only C) both i and ii D) neither i nor
ii
30) By visiting homes door-to-door, a municipality surveys all the households in 134 30) ______
randomly-selected neighborhoods to see how residents feel about a proposed property
tax increase. Identify the type of sample that is being used.
A) systematic sample B) cluster sample
C) voluntary response sample D) stratified sample
31) In the following chart, Height is the independent variable and Age of Tree is the 31) ______
dependent variable.
A) True B) False
32) A dependent variable can also be referred to as an outcome variable. 32) ______
A) False B) True
33) Determine which of the following describes qualitative data. 33) ______
i). the volume of a shipping container, in gallons
ii). the name of the material from which the container is made
iii). the shape of the container
A) ii and iii only B) i, ii, and iii C) i and iii only D) i and ii only
