Complete Test Bank for Elementary Statistics, A Step By Step Approach, 10th Edition by Allan G. Bluman ; ISBN13: 9781259755330...(Full Chapters included Chapter 1 to 14)...Chapter 1:The Nature of Probability and Statistics
Chapter 2:Frequency Distributions and Graphs
Chapter 3:Data Description
C...
Elementary Statistics, A Step By Step
Approach, 10th Edition by Allan Bluman
Complete Chapters Test Bank
are included (Ch 1 to 14)
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, Chap 01_10e
Exam
Name___________________________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) The number of birds in a tree is an example of a continuous variable. 1)
A) False B) True
2) In a research study, it is always preferable for the researcher to carefully choose his 2)
participants rather than randomly select them from a suitable group.
A) True B) False
3) Which of the following is the best description of a double-blind experiment? 3)
A) an experiment in which both the investigators and the subjects are hidden from the
others' views
B) an experiment in which the subjects are blindfolded so they cannot see which
treatment is applied to them
C) an experiment in which neither the investigators nor the subjects know how the
treatments have been assigned
D) an experiment in which neither the investigators nor the subjects know the others'
names
4) A(n) _______________ makes it difficult to determine whether an experimental 4)
outcome is due to the applied treatment.
A) perplexer B) counfounder
C) error D) uncooperative subject
5) In the following chart, Height is the independent variable and Age of Tree is the 5)
dependent variable.
15
10
5
2 4 6 8
Age of Tree, Years
A) False B) True
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, Chap 01_10e
6) Determine which of the following describes quantitative data. 6)
i). the length of an object in feet
ii). the speed of an object in meters per second
iii). the number of objects that are blue
A) i, ii, and iii B) i only C) iii only D) i and ii only
7) A person's hair color would be an example of a quantitative variable. 7)
A) False B) True
8) The four basic methods used to obtain samples are: random, irregular, cluster, and 8)
stratified sampling.
A) False B) True
9) An electronics manufacturer test every 200th cell phone to verify that it is functioning 9)
properly. Identify the kind of sample that is being used.
A) systematic sample B) cluster sample
C) stratified sample D) simple random sample
10) Inferential statistics is based on probability. 10)
A) True B) False
11) Determine which of the following describes nominal data. 11)
i. Michaelangelo's sells small, medium, large, and jumbo pizzas.
ii. Michaelangelo's most-requested toppings are pepperoni, black olives, and
mushrooms.
A) i only B) both i and ii
C) neither i nor ii D) ii only
12) When running an experimental study, the group that is manipulated can be called the 12)
treatment group.
A) False B) True
13) In the 1980s, a study linked coffee to a higher risk of heart disease and pancreatic cancer. 13)
In the early 1990s, studies showed that drinking coffee posed minimal health threats.
However, in 1994, a study showed that pregnant women who drank 3 or more cups of tea
daily may be at risk for miscarriage. In 1998, a study claimed that women who drank
more than a half-cup of caffeinated tea every day may actually increase their fertility. In
1998, a study showed that over a lifetime, a few extra cups of coffee a day can raise
blood pressure, heart rate, and stress. Which of the following reasons could explain why
the studies are conflicting?
A) The effect of caffeine changes over time.
B) The sample size of the studies are too small.
C) No control group was used.
D) The researchers fabricated the studies.
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, Chap 01_10e
14) Determine which of the following describes qualitative data. 14)
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 and ii only B) i only
C) neither i, nor ii, nor iii D) iii only
15) Quantitative data can be further classified as continuous or nonsequential. 15)
A) False B) True
16) A pollster randomly samples 164 Democrats, 141 Republicans and 17 Independents (all 16)
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.
A) voluntary response sample B) cluster sample
C) stratified sample D) sample of convenience
17) Based on her electric bills from last year, Mrs. Smith expects she will be paying 17)
$75/month this year. This is an example of descriptive statistics.
A) True B) False
18) Which one of the following data are discrete? 18)
A) the height of the tallest player on Duke University's men's basketball team
B) the average preseason ranking of the University of Connecticut's women's
basketball team over the past 10 years
C) the average height of players on the University of Connecticut's women's
basketball team
D) the pre-season ranking of Duke University's men's basketball team
19) Which one of the following data are continuous? 19)
A) the time remaining for an MP3 music download
B) the number of musicians performing in the MP3 file
C) the number of times the file has been downloaded
D) all of these represent continuous data
20) The variable of height is an example of a quantitative variable. 20)
A) False B) True
21) Determine which of the following describes quantitative data. 21)
i). the name of a chemical sample
ii). the mass of a chemical sample
iii). the color of a chemical sample
A) ii only B) i and ii only C) i only D) i, ii, and iii
3
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