Student
Class
Date
1. / The list below shows the number of hits six players on a baseball team had during a season.
24, 18, 36, 40, 28, 22
A seventh player on the team had 63 hits. Which measure would be affected the most by including the seventh player?
A. / mean
B. / median
C. / standard deviation
D. / interquartile range
2. / Johnathan analyzed a set of data. He noticed that 50% of the data was between 84 and 89. He also noticed that 50% of the data was between 88 and 91. The lowest data point was an 82. Which box plot could represent the set of data Johnathan analyzed?
A. /
B. /
C. /
D. /
3. / An outlier with the value of 14 is added to the data set 3, 4, 5, 6, and 7. How does the outlier affect the mean and median?
A. / The mean increases by 0.5, and the median increases by 1.5.
B. / The mean increases by 1.5, and the median increases by 0.5.
C. / The mean increases by 1.5, and the median increases by 2.0.
D. / The mean increases by 2.0, and the median increases by 1.5.
4. / The table below shows the number of different types of doughnuts sold during a weekend.
Glazed / Jelly / Powdered / Chocolate
Saturday / 82 / 53 / 42 / 36
Sunday / 94 / 46 / 39 / 42
Which type of doughnut had the highest percentage of its doughnuts sold on Sunday?
A. / Glazed
B. / Jelly
C. / Powdered
D. / Chocolate
5. / The owner of a pizza shop recorded the kind and size of pizzas ordered by 80 customers. Pepperoni pizzas were ordered by 20 customers. The conditional relative frequency of customers who ordered small pizzas given that they ordered pepperoni pizzas was .35. How many of the customers did not order small pepperoni pizzas?
A. / 52
B. / 59
C. / 67
D. / 73
6. / The data below shows the number of hours boys and girls spent studying for a test.
Boys: {2, 1, 3, 1, 2, 2}
Girls: {4, 1, 3, 2, 2, 4}
What is the difference in the interquartile range between the girls and boys?
A. / 1
B. / 2
C. / 3
D. / 5
7. / John and Audrey recorded how many texts they sent each day for 10 days in the table below.
Number of Texts
John / 23 / 34 / 21 / 17 / 12 / 54 / 38 / 75 / 44 / 46
Audrey / 42 / 23 / 33 / 28 / 48 / 49 / 45 / 65 / 24 / 38
Which statement is true?
A. / John’s data has a greater interquartile range than Audrey’s data.
B. / Audrey’s data has a greater interquartile range than John’s data.
C. / John’s data has a greater median than Audrey’s data.
D. / The median is the same for both sets of data.
8. / People were asked if they like jazz music. The results are shown in the table below.
Like Jazz / Do Not Like Jazz
Males / 55 / 11
Females / 121 / 20
Approximatelywhat percent of the people who Like Jazz are males?
A. / 27%
B. / 31%
C. / 45%
D. / 83%
9. / A college held a design contest for a new school logo. The table below shows the number of students and faculty who voted for each design.
Students / Faculty
Design 1 / 108 / 12
Design 2 / 137 / 17
Design 3 / 129 / 21
Design 4 / 102 / 32
Which design had the smallest difference between the percentage of the students who voted for that design and the percentage of the faculty who voted for that design?
A. / Design 1
B. / Design 2
C. / Design 3
D. / Design 4
10. / A survey was conducted at a school to find out how many students passed their driving test the first time. The results are shown in the table below.
Passed First
Time / Did Not Pass First Time
Males / 62 / 12
Females / 51 / 10
Approximately what percentage of the the males did not pass the test the first time?
A. / 9%
B. / 12%
C. / 16%
D. / 55%
11. / Using the graph, which is the approximate line of best fit for these data?
A. / y = 3x – 4
B. / y = 3.5x – 5.8
C. / y = 4x – 7
D. / y = 4.5x – 10.2
12. / Brandon’s typing speed, in words per minute, at the start of each grade level is shown in the table below.
Grade Level / Typing Speed
5 / 21
6 / 27
7 / 32
8 / 40
Using a linear best-fit model, approximately how many words per minute will Brandon be predicted to type at the start of 12th grade?
A. / 58
B. / 61
C. / 64
D. / 77
13. / The correlation coefficient of a certain set of data is 0.193. Which statement best describes the correlation of the variables of the data set?
A. / There is a strong positive correlation between the variables.
B. / There is a strong negative correlation between the variables.
C. / There is a weak positive correlation between the variables.
D. / There is a weak negative correlation between the variables.
14. / The table below shows the results of a survey in which people were asked what type of clothing they use for work.
Men / Women
Casual Attire / 66 / 77
Business Attire / 63 / 74
Approximately what percent of the women surveyed use casual attire for work?
A. / 49%
B. / 51%
C. / 74%
D. / 77%
15. / The table shows the height of a plant over several years.
Plant Age
(years) / Plant Height
(in.)
1 / 12
2 / 22
3 / 36
4 / 40
Using a linear model, approximately how many years will it take the plant to first reach 63 in.?
A. / 5
B. / 6
C. / 7
D. / 10
16. / The table below shows the distance it takes a car to stop when traveling at different speeds.
Speed
(miles per hour) / Stopping Distance
(feet)
10 / 27
15 / 44
20 / 63
25 / 85
30 / 109
35 / 136
40 / 164
45 / 196
Using the linear best-fit model for the data, what is the approximate stopping distance required for a car traveling 70 mph?
A. / 250 ft
B. / 300 ft
C. / 350 ft
D. / 400 ft
17. / Jim compared the number of songs on six of his CDs to the length of the CDs in minutes. The table below shows the results.
Number of Songs
(x) / Length of CD
(y)
5 / 14.2 minutes
15 / 42.6 minutes
12 / 34.5 minutes
13 / 39.5 minutes
12 / 34.2 minutes
14 / 42.4 minutes
Which conclusion can be made based on the correlation coefficient of the line of best fit for the data?
A. / There is a strong positive correlation between the number of songs and the length of the CD.
B. / There is a strong negative correlation between the number of songs and the length of the CD.
C. / There is a weak positive correlation between the number of songs and the length of the CD.
D. / There is a weak negative correlation between the number of songs and the length of the CD.
18. / The table below shows the high temperature each day for four weeks during the month of July.
High Temperatures in July
Week 1 / 88 / 93 / 96 / 95 / 89 / 76 / 98
Week 2 / 85 / 85 / 92 / 94 / 81 / 86 / 88
Week 3 / 92 / 91 / 93 / 84 / 85 / 80 / 80
Week 4 / 88 / 87 / 90 / 89 / 88 / 85 / 89
Which week had the lowest mean temperature?
A. / Week 1
B. / Week 2
C. / Week 3
D. / Week 4
19. / The table below shows the time in minutes and the distance a person ran on different days.
Time (minutes) / 50 / 89 / 96 / 114
Distance (miles) / 6.5 / 11 / 12.25 / 14.5
What does the rate of change for this data represent?
A. / An average increase of 0.12 miles in distance for every minute longer a person runs
B. / An average decrease of 0.12 miles in distance for every minute longer a person runs
C. / An average increase of 0.18 miles in distance for every minute longer a person runs
D. / An average decrease of 0.18 miles in distance for every minute longer a person runs
20. / Ricardo surveyed 120 of his classmates about their favorite color. The results are shown in the frequency table below.
Blue / Red / Yellow / Green
Males / 0.30 / 0.15 / 0.10 / 0.00
Females / 0.05 / 0.10 / 0.25 / 0.05
How many more males chose red than females chose green?
A. / 10
B. / 12
C. / 16
D. / 18
21. / A restaurant cooked a total of 200 steaks on Saturday and Sunday. The table below shows the relative frequencies of steaks that were cooked rare, medium, and well-done on each day.
Rare / Medium / Well-Done
Saturday / 0.10 / 0.24 / 0.20
Sunday / 0.12 / 0.32 / 0.02
What was the total number of steaks that were cooked Well-Done?
A. / 22
B. / 40
C. / 44
D. / 80
22. / A data set is shown below.
x / y
1 / 6.00
2 / 5.04
3 / 4.23
4 / 3.56
5 / 2.99
6 / 2.51
7 / 2.11
Using an exponential best-fit model, what is the predicted value of y when x = 10?
A. / 1.78
B. / 1.49
C. / 1.25
D. / 0.88
23. / The table below shows the average attendance at a football team’s games in different years.
Year / Attendance
2000 / 7,650
2002 / 9,999
2004 / 11,190
2006 / 13,008
Assuming a linear trend, in what year was the team’s attendance first predicted to be greater than 20,000?
A. / 2008
B. / 2010
C. / 2012
D. / 2014
24. / The table below shows the height and weight of 6 students in Mrs. Kale’s class.
Height
(inches) / Weight
(pounds)
50 / 75
51 / 75
52.5 / 76
52 / 77
52 / 78
54 / 80
Using a linear model, what is the approximatevalue of the residual of the student 51 inches tall?
A. / –3.3
B. / –0.7
C. / +0.7
D. / +3.3
25. / The data set below has an outlier of 42.
2, 5, 12, 15, 19, 4, 6, 11, 16, 18, 12, 12, 42
What effect does removing the outlier have on the distribution of the data?
A. / The mean will decrease.
B. / The median will decrease.
C. / The mean will increase.
D. / The median will increase.
Math I Exam Review - Statistics Page 1/16