Sample Test 1
MATH 1107
DeMaio
Name___________________________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the
question.
1) People are reluctant to admit to behavior that may reflect negatively on them. This can
lead to ...
A) hurt feelings
B) social acceptability bias
C) sampling bias
D) voluntary response bias
Classify the variable as categorical or quantitative.
2) A personʹs political affiliation
A) Quantitative
1)
2)
B) Categorical
3) The verdict of a jury
A) Categorical
3)
B) Quantitative
4) The number of people on a jury
A) Quantitative
B)
4)
Categorical
5) The following pie chart presents the percentages of fish caught in each of four ratings
categories.
Match this pie chart with its corresponding Parato chart.
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5)
A)
B)
C)
D)
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6) The following bar graph presents the average amount a certain family spent, in dollars, o 6)
various food categories in a recent year.
On which food category was the most money spent?
A) Dairy products
C) Meat poultry, fish, eggs
B) Fruits and vegetables
D) Cereals and baked goods
Provide an appropriate response.
7) The Centers for Disease Control lists causes of death for individual states in 2002. The mortality
data for one state is given.
Cause of Death
Percent
Heart Disease
29.2
Cancer
21.7
Circulatory diseases and stroke
8.6
Respiratory diseases
5.7
Accidents
4.9
In this state, what percent of deaths were from causes not listed here?
A) 34.8%
B) 29.9%
C) 70.1%
D) 59.1%
E) The percent cannot be determined from the given percentages because the categories
overlap.
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7)
8) A real estate company kept a database on the apartments in a certain city. The percentages of
8)
various types of apartments are listed below.
Type
Percent
Studio
15.9
1-bedroom
25.5
2-bedroom
45.5
3-bedroom
10.1
What percentage of the apartments in the city are 1-bedroom or 2-bedroom apartments?
A) 73.2%
B) 69.6%
C) 69.1%
D) 71.0%
E) The percent cannot be determined from the given percentages because the categories
overlap.
9) A magazine article reported on Springfield School Districtʹs magnet school programs. Of the 1654
9)
qualified applicants, 881 were accepted, 278 were wait-listed, and 495 were turned away for lack
of space. Find the relative frequency distribution of the decisions made, and write a sentence
describing it.
A) 1654 students applied for admission to the magnet schools program. 53% were accepted,
32% were wait-listed, and 56% were turned away.
B) 1654 students applied for admission to the magnet schools program. 70% were accepted,
and 30% were turned away.
C) 1654 students applied for admission to the magnet schools program. 53% were accepted,
32% were wait-listed, and 30% were turned away.
D) 1654 students applied for admission to the magnet schools program. 53% were accepted,
17% were wait-listed, and 30% were turned away.
E) 1654 students applied for admission to the magnet schools program. 53% were accepted,
and 47% were turned away.
10) At the local college a survey was being done on whether or not the students liked the cafeteria
food. The survey was located in the college newspaper and was to be filled out and sent to the
editing office. Identify the type of sampling used in this example.
A) Stratified sampling
B) Attempted census
C) Systematic sampling
D) Cluster sampling
E) Voluntary response sampling
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10)
11) A newly-premiered play just ended that evening at a local theater. Theater management briefly
11)
interviews every seventh person leaving the theater to see if that person will recommend the play
at that theater to other people. Identify the type of sampling used in this example.
A) Voluntary response sampling
B) Systematic sampling
C) Stratified sampling
D) Cluster sampling
E) Convenience sampling
12) Students in a political science course were asked to describe their politics as ʺLiberalʺ, ʺModerateʺ,
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or ʺConservative.ʺ Here are the results:
Politics
Female
Male
Total
Liberal
33
43
76
Moderate
28
48
76
Conservative
7
19
26
Total
68
110
178
What percent of the class considers themselves to be ʺLiberalʺ?
A) 42.7%
B) 18.5%
C) 24.2%
D) 48.5%
E) 74.5%
13) Choose the answer below that best completes the following statement.
A _____________ is a number that describes a sample.
A) parameter
B) statistic
C) measurement
13)
D) population
14) You ask your friends who they plan to vote for in the next congressional election. Based 14)
on their responses, you conclude that the candidate you favor cannot lose!
This is most likely an example of ...
A) randomized sampling
C) self-interest bias
B) voluntary response bias
D) sampling bias
15) The following frequency distribution presents the frequency of passenger vehicles that
pass through a certain intersection from 8:00 AM to 9:00 AM on a particular day.
Vehicle Type
Motorcycle
Sedan
SUV
Truck
Frequency
7
58
36
40
Construct a relative frequency bar graph for the data.
5
15)
A)
B)
C)
D)
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Identify the bias.
16) A newspaper conducted a random telephone survey during the day regarding the percentage of
stay-at-home moms and dads in the typical household. What, if any, will be the most noticeable
bias for this survey?
A) Response bias
16)
B) Nonresponse bias
C) Voluntary response bias
D) Undercoverage of the population
E) There does not seem to be any bias.
17) The names of all 130 students in a professor's class are written on identical slips of
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) simple random sample
B) cluster sample
C) sample of convenience
D) systematic sample
17)
18) Which one of the following data are discrete?
A) the number of crew members on the boat
B) the speed of the boat's propeller, in revolutions per minute
C) the latitude and longitude of the boat's port of departure
D) the latitude and longitude of a boat at sea
18)
19) The question...
"Do you favor a higher standard of living, even though it produces unclean air and
water?"
... is an example of ...
A) framing
B) random sampling
C) sampling bias
D) leading question bias
19)
20) The following frequency distribution presents the frequency of passenger vehicles that
pass through a certain intersection from 8:00 AM to 9:00 AM on a particular day.
20)
Vehicle Type
Motorcycle
Sedan
SUV
Truck
Frequency
7
79
78
45
What is the relative frequency of the SUV category?
A) 0.373
B) 0.987
C) 78%
7
D) 78
21) Determine which of the following describes quantitative data.
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 only
B) i and ii only
C) iii only
21)
D) i, ii, and iii
22) Which of the following sample types should you always regard as unreliable?
A) voluntary response samples
B) cluster samples
C) stratified samples
D) simple random samples
22)
23) Choose the answer below that best completes the following statement.
23)
A ________ is a number that describes a population.
A) sample
B) summary
C) statistic
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D) parameter
Answer Key
Testname: SAMPLE IN CLASS EXERCISES SPRING 2017
1) B
2) B
3) A
4) A
5) B
6) A
7) B
8) D
9) D
10) E
11) B
12) A
13) B
14) D
15) B
16) B
17) A
18) A
19) D
20) A
21) D
22) A
23) D
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