Name: ________________________ Class: ___________________ Date: __________
ID: A
Data Analysis Unit Review
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____
1. A school wants to add a coed soccer program. To determine student interest in the program, a survey will be
taken. In order to get an unbiased sample, which group should the school survey?
a. every third student entering the building
b. every member of the varsity football team
c. every member in Ms. Zimmer’s drama classes
d. every student having a second-period French class
____
2. Which data set describes a situation that could be classified as qualitative?
a. the elevations of the five highest mountains in the world
b. the ages of presidents at the time of their inauguration
c. the opinions of students regarding school lunches
d. the shoe sizes of players on the basketball team
____
3. A movie theater recorded the number of tickets sold daily for a popular movie during the month of June. The
box-and-whisker plot shown below represents the data for the number of tickets sold, in hundreds.
Which conclusion can be made using this plot?
a. The second quartile is 600.
c.
b.
____
The mean of the attendance is 400.
d.
The range of the attendance is 300 to
600.
Twenty-five percent of the attendance is
between 300 and 400.
4. The box-and-whisker plot below represents students' scores on a recent English test.
What is the value of the upper quartile?
a.
b.
____
68
76
c.
d.
84
94
5. Which relationship can best be described as causal?
a. height and intelligence
c. number of correct answers on a test and
test score
b. shoe size and running speed
d. number of students in a class and number
of students with brown hair
1
Name: ________________________
ID: A
____
6. Erica is conducting a survey about the proposed increase in the sports budget in the Hometown School
District. Which survey method would likely contain the most bias?
a. Erica asks every third person entering the c. Erica asks every fifth student entering
Hometown Grocery Store.
Hometown High School on Monday
morning.
b. Erica asks every third person leaving the d. Erica asks every fifth person leaving
Hometown Shopping Mall this weekend.
Saturday’s Hometown High School
football game.
____
7. The box-and-whisker plot below represents the math test scores of 20 students.
What percentage of the test scores are less than 72?
a.
b.
____
____
25
50
c.
d.
75
100
8. Which data table represents univariate data?
a.
c.
b.
d.
9. Which situation describes a correlation that is not a causal relationship?
a. the length of the edge of a cube and the volume of the cube
b. the distance traveled and the time spent driving
c. the age of a child and the number of siblings the child has
d. the number of classes taught in a school and the number of teachers employed
____ 10. The ages of five children in a family are 3, 3, 5, 8, and 18. Which statement is true for this group of data?
a. mode > mean
c. median = mode
b. mean > median
d. median > mean
____ 11. Melissa's test scores are 75, 83, and 75. Which statement is true about this set of data?
a. mean < mode
c. mode = median
b. mode < median
d. mean = median
2
Name: ________________________
ID: A
____ 12. The accompanying box-and-whisker plots can be used to compare the annual incomes of three professions.
Based on the box-and-whisker plots, which statement is true?
a. The median income for nuclear engineers c. All nuclear engineers earn more than all
is greater than the income of all
police officers.
musicians.
b. The median income for police officers
d. A musician will eventually earn more
and musicians is the same.
than a police officer.
____ 13. The accompanying histogram shows the heights of the students in Kyra’s health class.
What is the total number of students in the class?
a. 5
c.
b. 15
d.
16
209
____ 14. The accompanying box-and-whisker plot represents the scores earned on a science test.
What is the median score?
a.
b.
70
75
c.
d.
3
77
85
Name: ________________________
ID: A
Short Answer
15. The values of 11 houses on Washington St. are shown in the table below.
Find the mean value of these houses in dollars. _____________
Find the median value of these houses in dollars. ____________
16. Sarah’s mathematics grades for one marking period were 85, 72, 97, 81, 77, 93, 100, 75, 86, 70, 96, and 80.
a Complete the tally sheet and frequency table below, and construct and label a frequency histogram for
Sarah’s grades using the accompanying grid.
b Which interval contains the 75th percentile (upper quartile)? _____________
4
ID: A
Data Analysis Unit Review
Answer Section
MULTIPLE CHOICE
1. ANS:
TOP:
2. ANS:
TOP:
3. ANS:
TOP:
4. ANS:
TOP:
5. ANS:
TOP:
6. ANS:
TOP:
7. ANS:
TOP:
8. ANS:
TOP:
9. ANS:
TOP:
10. ANS:
TOP:
11. ANS:
TOP:
12. ANS:
TOP:
13. ANS:
TOP:
14. ANS:
TOP:
A
PTS: 2
REF: 060803ia
Analysis of Data
C
PTS: 2
REF: 060819ia
Analysis of Data
D
PTS: 2
REF: 010929ia
Box-and-Whisker Plots
C
PTS: 2
REF: 060915ia
Box-and-Whisker Plots
C
PTS: 2
REF: 080908ia
Analysis of Data
D
PTS: 2
REF: 080910ia
Analysis of Data
A
PTS: 2
REF: 011001ia
Box-and-Whisker Plots
C
PTS: 2
REF: 011014ia
Analysis of Data
C
PTS: 2
REF: 011030ia
Analysis of Data
B
PTS: 2
REF: 010315a
Central Tendency
C
PTS: 2
REF: 010618a
Central Tendency
B
PTS: 2
REF: 010916a
Box-and-Whisker Plots
C
PTS: 2
REF: 010504a
Frequency Histograms, Bar Graphs and Tables
B
PTS: 2
REF: 060610a
Box-and-Whisker Plots
STA: A.S.3
STA: A.S.1
STA: A.S.6
STA: A.S.6
STA: A.S.13
STA: A.S.3
STA: A.S.6
STA: A.S.2
STA: A.S.14
STA: A.S.4
STA: A.S.4
STA: A.S.9
STA: A.S.9
STA: A.S.6
SHORT ANSWER
15. ANS:
The mean is 225000. The median is 175000, which better represents the value of the houses since it is closer
to more of the values than the mean.
PTS: 4
REF: fall0737ia
STA: A.S.4
TOP: Frequency Histograms, Bar Graphs and Tables
1
ID: A
16. ANS:
91-100
PTS: 4
REF: 010334a
STA: A.S.5
TOP: Frequency Histograms, Bar Graphs and Tables
2