1. REVIEW OF
DATA
ANALYSIS

2. THE HISTOGRAM REPRESENTS THE 1.
THE HISTOGRAM REPRESENTS THE
HEIGHTS (IN CENTIMETERS) OF THE FIFTY-SEVEN STUDENTS IN MR. ARNETT’S
MORNING CLASSES. HOW MANY STUDENTS ARE MORE THAN 144 CM TALL?
A. 8
B. 10
C. 38
D. 43

3. A. 6 B. 9 C. 26 D. 28 IN THE GRAPH BELOW, EACH DOT SHOWS THE
NUMBER OF INCHES OF RAIN AND THE
CORRESPONDING DAILY TEMPERATURE FOR
ONE OF 9 CITIES. 2.
ACCORDING TO THE
GRAPH, WHAT IS THE
MEDIAN NUMBER OF
INCHES OF RAIN FOR
THESE 9 CITIES?
A B. 9
C D. 28

4. WHAT IS THE RELATIONSHIP BETWEEN THE MEDIAN HEIGHT OF THE TWO CLASSES?3.
A. CLASS B STUDENTS ARE ABOUT 1 ½ INCHES TALLER THAN CLASS A STUDENTS.
B. CLASS A STUDENTS ARE ABOUT 1 INCH TALLER THAN CLASS B STUDENTS.
C. CLASS B STUDENTS ARE ABOUT 1 INCH TALLER THAN CLASS A STUDENTS.
D. CLASS A STUDENTS ARE ABOUT 1 ½ INCHES TALLER THAN CLASS B STUDENTS.

5. A. 3.01 B. 3.11 C. 3.15 D. 3.97 THE BAR GRAPH BELOW SHOWS THE NUMBER
OF STUDENTS AND THEIR SCORES ON THEIR
PROJECTS. 4.
WHAT IS THE MEAN OF THE SCORES? A B C D

6. A. MEAN B. MEDIAN C. MODE D. RANGE THE TABLE SHOWS THE SCORES THAT
JENNIFER EARNED ON FOUR MATH TESTS. 5.
IF SHE SCORES A 60 ON THE FIFTH TEST,
WHICH VALUE WOULD BE CHANGED THE MOST?
A. MEAN
B. MEDIAN
C. MODE
D. RANGE

7. $21.50, $20.75, $21.75, $21.75, $20.75. A. IT WOULD STAY THE SAME.6.
A COMPANY’S STOCK PRICES FOR 5 DAYS WERE
$21.50, $20.75, $21.75, $21.75, $20.75.
WHAT WOULD HAPPEN TO THE AVERAGE IF THE
PRICE IS $35.00 ON DAY 6?
A. IT WOULD STAY THE SAME.
B. IT WOULD INCREASE BY $2.28.
C. IT WOULD INCREASE BY $7.00
D. IT WOULD DECREASE BY $2.28.

8. 7.
A CHILDREN’S BOOK SERIES CONTAINS 6 BOOKS
WITH THE FOLLOWING NUMBER OF PAGES:
{309, 341, 435, 734, 870, 652}.
WHAT IS THE MEDIAN NUMBER OF
PAGES PER BOOK? A B C
D. 870

9. A. -4o PER HOUR B. 0o PER HOUR C. 4o PER HOUR D. 16o PER HOUR8.
FROM 6 P.M. TO 10 P.M., THE TEMPERATURE
DROPPED FROM 0°C TO –16°C. WHAT WAS THE
AVERAGE TEMPERATURE CHANGE PER HOUR?
A. -4o PER HOUR
B. 0o PER HOUR
C. 4o PER HOUR
D. 16o PER HOUR

10. WHICH ARE APPROPRIATE INTERVALS TO GROUP DATA FOR A HISTOGRAM?9.
A. 55–62, 63–70, 71–78, 79–86
B. 56–62, 63–70, 71–78, 79–86
C. 56–62, 62–70, 70–78, 78–86
D. 55–62, 63–71, 72–78, 80–86

11. MELANIE’S GRADES ON HOMEWORK DOES MELANIE NEED TO HAVE AN
IN SCIENCE CLASS ARE
60, 73, 75, 82, 88.  
WHAT GRADE
DOES MELANIE NEED TO HAVE AN
AVERAGE OF 76.5?
10.
A. 63 B C
D. 81

12. WHICH IS TRUE USING THE DATA BELOW? 11, 43, 43, 52, 56, 76, 81, 87, 87
11.
A. THE MEAN IS 3.6 GREATER THAN THE MEDIAN.
B. THE MEAN IS 3.6 LESS THAN THE MEDIAN.
C. THE RANGE IS 20 GREATER THAN THE MEDIAN.
D. THE RANGE IS 20 LESS THAN THE MEDIAN.

13. WHICH MEASUREMENT WOULD BE AFFECTED IF THE OUTLIER WERE REMOVED?
12.
WHICH MEASUREMENT WOULD BE AFFECTED
MOST
IF THE OUTLIER WERE REMOVED?
A. RANGE B. MEDIAN
C. MODE D. MEAN

14. A. RANGE B. MEDIAN C. MEAN D. MODE
13.
IF THE OUTLIER IS REMOVED FROM THIS DATA BELOW, WHICH MEASURE OF CENTRAL TENDENCY WILL BE AFFECTED THE LEAST? 56, 64, 73, 59, 98, 65, 59
A. RANGE B. MEDIAN
C. MEAN D. MODE

15. A. 10% B. 20% C. 30% D. 40% IN THE TABLE BELOW, WHAT PERCENT OF
THE PEOPLE SURVEYED PREFER BOLOGNA?
14.
A. 10%
B. 20%
C. 30%
D. 40%

16. A. 64 B. 65 C. 66 D. 68 WHAT IS THE MEDIAN NUMBER OF HITS?
THE STEM-AND-LEAF PLOT DISPLAYS
THE NUMBER OF HITS IN A SEASON
FOR PLAYERS ON A SOFTBALL TEAM.
15.
WHAT IS THE MEDIAN NUMBER OF HITS?
A. 64
B. 65
C. 66
D. 68

17. FOUR STUDENTS LISTED THEIR TEST SCORES IN A STEM-AND-LEAF PLOT.
16.
FOUR STUDENTS LISTED THEIR
TEST SCORES IN A STEM-AND-LEAF PLOT.
WHICH STUDENT HAS THE GREATEST MEAN? A. B. C. D.

18. 17.
A SECTION OF A CIRCLE GRAPH SHOWS THAT
45% OF SEVENTH GRADERS PREFER APPLES.
WHAT IS THE NUMBER OF DEGREES THAT
WOULD REPRESENT THAT SECTION?
A o
B. 81o
C o
D. 162o

19. THE CIRCLE GRAPH BELOW SHOWS HOW A FAMILY USES ITS MONTHLY INCOME OF $2,500. WHICH STATEMENT IS TRUE?
18.
A. The family saves one-fifth of its monthly income.
B. The family spends less than $700 on housing each month.
C. The family spends $625 on automobile expenses each month.
D. The family spends more than one-half of its monthly income on food and automobile expenses combined.

20. 80, 79, 80, 88, 90, AND 100. SARA GRAPHED HER AVERAGE GRADES FOR
19.
SARA GRAPHED HER AVERAGE GRADES FOR
4 SEMESTERS.
HER GRADES ONE SEMESTER WERE
80, 79, 80, 88, 90, AND 100.
USING THE GRAPH BELOW, WHICH SEMESTER
ILLUSTRATES THE AVERAGE OF THESE GRADES?
A. SEMESTER 1
B. SEMESTER 2
C. SEMESTER 3
D. SEMESTER 4

21. A. RANGE B. MODE C. MEDIAN D. MEAN THE SCIENCE CLUB CONSTRUCTED AND
20.
THE SCIENCE CLUB CONSTRUCTED AND
FLEW PAPER AIRPLANES. THE DISTANCES
FLOWN WERE RECORDED AS SHOWN IN
THE CHART BELOW. THE WINNING TEAM
WOULD BE DECIDED BY THE LARGEST VALUE
OF A PARTICULAR STATISTICAL MEASURE.
WHICH STATISTICAL MEASURE WAS
USED IF TEAM 2 WAS DECLARED THE WINNER?
A. RANGE
B. MODE
C. MEDIAN
D. MEAN