Test 1A
MATH 1107
DeMaio
Name___________________________________
Each of the 23 questions is worth 5 points for a total of 115 possible points.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the
question.
Provide an appropriate response.
1) A magazine article reported on Springfield School Districtʹs magnet school programs. Of the 1689
qualified applicants, 520 were Black or Hispanic, 271 were Asian, and 898 were White.
Summarize the relative frequency distribution of ethnicity with a sentence or two in the proper
context.
A) Of the 1689 students who applied for admission to the magnet schools program, 58% were
Black or Hispanic, 30% were Asian, and 53% were White.
B) Of the 1689 students accepted in the magnet schools program, 31% were Black or Hispanic,
16% were Asian, and 53% were White.
C) Of the 1689 students who applied for admission to the magnet schools program, 31% were
Black or Hispanic, 16% were Asian, and 53% were White.
D) Of the 1689 students who applied for admission to the magnet schools program, 16% were
Black, 16% were Hispanic, 16% were Asian, and 53% were White.
E) Of the 1689 students who applied for admission to the magnet schools program, 3% were
Black or Hispanic, 2% were Asian, and 5% were White.
2) Students in a political science course were asked to describe their politics as ʺLiberalʺ, ʺModerateʺ,
1)
2)
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) 24.2%
B) 48.5%
C) 42.7%
D) 18.5%
3) Determine which of the following describes qualitative data.
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 and ii only
C) i, ii, and iii
1
E) 74.5%
3)
D) i and iii only
4) The following bar graph presents the average amount a certain family spent, in dollars, o 4)
various food categories in a recent year.
On which food category was the most money spent?
A) Cereals and baked goods
C) Meat poultry, fish, eggs
B) Fruits and vegetables
D) Dairy products
2
5) 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
5)
Frequency
6
26
30
21
Construct a pie chart for the data.
A)
B)
C)
D)
6) Choose the answer below that best completes the following statement.
A _____________ is a number that describes a sample.
A) population
B) measurement
C) parameter
6)
D) statistic
7) 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.
3
7)
A)
B)
C)
4
D)
8) When rolling two six-sided dice, your total roll ranges from 2 (double ones) to 12
(double sixes).Characterize the nature of the roll total.
A) quantitative and discrete
B) qualitative and continuous
C) quantitative and continuous
D) qualitative and discrete
Classify the variable as categorical or quantitative.
9) If you win or lose the lottery this week
A) Categorical
8)
9)
B) Quantitative
10) The distance a quarterback throws the ball
A) Quantitative
10)
B) Categorical
11) The mascot name of a professional baseball team
A) Categorical
B)
11)
Quantitative
12) By visiting homes door-to-door, a municipality surveys all the households in 89
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) voluntary response sample
C) cluster sample
D) stratified sample
12)
13) 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.
13)
Vehicle Type
Motorcycle
Sedan
SUV
Truck
Frequency
13
78
88
35
Construct a relative frequency distribution for the data.
5
A)
Vehicle Type
Motorcycle
Sedan
SUV
Truck
Relative Frequency
0.13
0.78
0.88
0.35
Vehicle Type
Motorcycle
Sedan
SUV
Truck
Relative Frequency
0.061%
0.364%
0.411%
0.164%
Vehicle Type
Motorcycle
Sedan
SUV
Truck
Relative Frequency
0.061
0.364
0.411
0.164
Vehicle Type
Motorcycle
Sedan
SUV
Truck
Relative Frequency
0.148
0.886
1
0.398
B)
C)
D)
14) Which one of the following data are discrete?
A) the number of times the file has been downloaded
B) the number of MP3 music downloads that fit on a bank cd
C) all of these represent discrete data
D) the number of musicians performing in the MP3 file
14)
15) Determine whether the data described is discrete or continuous.
The number of miles the Atlanta Falcons travel in 2017 to play in the Superbowl
A) continuous
B) discrete
15)
6
16) Choose the answer below that best completes the following statement.
A ________ is a number that describes a population.
A) sample
B) summary
C) parameter
16)
D) statistic
17) An electronics manufacturer test every 1000th cell phone to verify that it is functioning
properly. Identify the kind of sample that is being used.
A) cluster sample
B) stratified sample
C) simple random sample
D) systematic sample
17)
18) The KSU Sentinel asks students to email the paper who they plan to vote for in the next
congressional election.
18)
This is most likely an example of ...
A) self-interest bias
C) randomized sampling
B) voluntary response bias
D) social acceptability bias
19) Following is a pie chart that presents the percentages spent by a certain household on
its five largest annual expenditures. What percentage of the money spent was spent on
food, housing, and utilities?
A) 65.4%
B) 47%
C) 60.4%
D) 52.5%
Identify the bias.
20) 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) Voluntary response bias
B) Undercoverage of the population
C) Response bias
D) Nonresponse bias
E) There does not seem to be any bias.
7
19)
20)
21) 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.
A)
B)
C)
8
21)
D)
22) Determine whether the data described is discrete or continuous.
The number of Superbowls won by the Atlanta Falcons
A) discrete
B) continuous
22)
23) The names of all 143 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 9
random slips from the jar. Identify the kind of sample that is being used.
A) sample of convenience
B) simple random sample
C) systematic sample
D) cluster sample
23)
9
Answer Key
Testname: TEST 1A SPRING 2017
1) C
2) C
3) A
4) D
5) B
6) D
7) C
8) A
9) A
10) A
11) A
12) C
13) C
14) C
15) A
16) C
17) D
18) B
19) A
20) D
21) D
22) A
23) B
10