Name__________________________________________________Period __________
TAKS Obj 9 WS
1. A park ranger is analyzing a table showing the daily high temperatures of a lake during the
summer months. Which measure of data could the ranger best use to show that the
temperature of the lake remains almost constant over this time period?
A Mean
B Median
C Range
D Mode
2. A car dealer has six used minivans for sale. The mileage on the minivans is shown in the table
below. The car dealer plans to describe the minivans’ mileage in a newspaper ad by using one of
the following data measures. Which measure of the data would make the vehicles appear to have
the lowest mileage?
A
B
C
D
Mean
Median
Range
Mode
3. The circle graph below shows the results of a fair number cube being tossed 20 times.
Which table matches the data presented in the circle graph?
A
B
C
D
4. The table below represents Trish’s expenses for a scuba-diving vacation in the Caribbean.
Which graph matches the information in the table?
5. The senior class sold carnations during a fund-raiser. The bar graph shows the number sold
for each color of carnation. Scott plans to make a circle graph of the data in the bar graph.
Approximately what percent of the circle graph should represent red carnations?
A
B
C
D
40%
50%
20%
30%
6. The histogram shows the grade distribution for Mrs. Radke’s biology test. Which of the
following statements is best supported by the data in the histogram?
A
B
C
D
Approximately 20% of Mrs. Radke’s students received a B.
The median grade on the exam was a B.
Approximately 15 of Mrs. Radke’s students took the exam.
The range of the test scores was less than 20.
7. The table shows the population and the area in square miles of some U.S. states. Which
statement best describes the relationship between the population and the area of the state?
A The larger a state’s area, the larger its population is.
B No relationship can be determined from the data
in the table.
C New Jersey has the smallest population of the states
in the table because it has the smallest area.
D Texas is the largest U.S. state.
8. The graph shows CD sales at a music store for 6 consecutive weeks.
Based on the data in the graph, which of the
following conclusions is true?
A Sales increased at a constant rate each week
over the six-week period.
B The store sold an average of approximately
289 CDs per week over the six-week period.
C Three times as many CDs were sold during
the sixth week as during the first week.
D The store sold more than 1800 CDs during
the six-week period.
9. The graph below shows total absences of students on each weekday during one school term.
Which is a reasonable conclusion from the information on
the graph?
A This school needs to implement a strict policy against
absences.
B Absences are distributed fairly evenly during the
week.
C There were about twice as many absences on Mondays
as on Wednesdays.
D More absences occurred on Monday than on all other
days combined.
10. Of the 800 students at THS, 200 students have no siblings, 318 students have one sibling,
160 students have two siblings, and the rest of the students have three or more siblings. Use
the key below to find the circle graph that best represents this information.
11. Given the set of data {20, 15, 10, 20, 15, 10, 20, 20, 50}, which statement best interprets
the data?
F Only the mean is 20.
G The range of the set of data is 20.
H The mean, median, and mode are all 20. J The mode and median are not the same.
12. The Richmond High School varsity basketball team’s scores are listed in the table below.
Which statement about these scores is true?
F The mean is less than the median.
H The median is less than the range.
G The mean is greater than the median.
J The range is greater than the mean.
13. The student election committee at Taylor High School recorded the number of votes that
each of 4 presidential candidates received in the student council election. A total of 240
students voted. Charlene received 12.5% of the votes, Jimmy received 33.3%, Stephen received
16.7%, and Lupe received 37.5%. Which bar graph best represents the number of votes each
presidential candidate received in the student council election?
14. Richard budgets $1200 of his job earnings on a monthly basis. The graph below shows his
monthly budget. Which conclusion can be drawn from the information given?
A More than 30% of Richard’s budget is for credit
card payments, insurance, and food combined.
B Richard budgets $384 for utilities, insurance, and
his car payment combined.
C Less than 50% of Richard’s budget is for rent,
food, and utilities combined.
D Richard budgets $228 for savings, entertainment,
and clothes combined.
15. James earned the following grades on his science exams: 83, 88, 87, and 83. If James’
scores a 90 on his last exam, which measure of central tendency will give him the highest score?
F
Mode
G
Median
H
Range
J
Mean
16. Of the 32 students in Ms. Mahoney’s class, 25% have brown hair. Of the remaining
students, 12.5% have red hair. How many students in Ms. Mahoney’s class have red hair?
A.
3
B. 4
C. 21
D. Not here
17. The world’s fastest flying insect is the dragonfly. It can fly 36 miles per hour. If a
dragonfly flew in a straight path at this rate, what distance would it fly in 15 minutes?
F 2 mi
G 9 mi
H 25 mi
J 540 mi
18. Mr. Barker, a real estate agent, received a 5% commission on the selling price of a house.
If his commission was $6,975, what was the selling price of the house?
F $7,342
G $34,875
H $139,500
J $662,625
19. Coach Barker likes only blue jelly beans. He has a box of 100 jelly beans that contains equal
numbers of red, blue, green, yellow, and orange jelly beans. Coach Barker randomly pulls out a
jelly bean. Then he pulls out a second one without replacing the first. What is the probability
that both jelly beans are blue?
2
1
39
19
A
B
C
D
25
5
199
495
20. Kathleen draws two tickets from a box to select the door-prize winners at a party. The
tickets are numbered from 1 to 25. What is the probability that both of the tickets drawn will
have numbers less than 5?
1
2
12
1
A
B
C
D
50
75
625
5
21. Emma has a white cube and a red cube. The surfaces of each cube are numbered with a
unique number from 1 to 6. If Emma tosses the cubes, what is the probability she will get a 4
on the white cube and an odd number on the red cube?
1
1
1
2
A.
B.
C.
D.
3
2
3
12
22. The table below shows the results of rolling a fair number cube 50 times during a classroom
activity. What is the difference between the theoretical probability of rolling a number less
than 4 and the experimental results recorded in the table?
F
H
8%
58%
G
J
79%
29%
23. At a school fair, the spinner represented in the accompanying diagram is spun twice. What
is the probability that it will land in section G the first time and then in section B the second
time?
1
1
A
B
2
4
1
1
C
D
8
16
24. A club has 25 members, 20 boys and 5 girls. Two members are selected at random to serve
as president and vice president. What is the probability that both will be girls?
A.
1
5
B.
1
25
C.
1
30
D.
1
4
25. In Mr. Optica’s history class, 40% of the students have green eyes. Of the remaining
students, 40% have brown eyes. If there are 25 students in Mr. Optica’s history class, how
many of these students have brown eyes?
A 15
B 10
C 6
D Not here
26. Billy tosses three fair coins. What is the probability that all three coins will land heads up?
1
1
1
1
A.
B.
C.
D.
8
9
3
18
27. Sharon orders a small bowl of fruit salad that comes with 7 grapes, 3 strawberries, 5
blackberries, and 6 blueberries. If Sharon randomly eats one piece of fruit at a time, what is
the probability that the first piece of fruit she will eat will be a strawberry and the second will
be a blueberry?
3
1
5
8
A.
B.
C.
D.
70
7
147
21
28. Aiden rolls a number cube. What is the theoretical probability of rolling an odd number first
and then a 6?
1
1
1
1
A.
B.
C.
D.
8
18
12
4