Type of Cookie Adults Children Total
Chocolate chip 5 10
Peanut butter 8 6
Oatmeal 7 4
Use the table below.
Type of Cookie Adults Children Total
Chocolate chip 5 10
Peanut butter 8 6
Oatmeal 7 4
Based on the two-way frequency table, how many people chose oatmeal cookies?
A. 20
B. 15
C. 14
D. 11
6
18. To find out how many adults were surveyed, you can add up the number of adults who chose each type of cookie. Adding 5+8+7 gives us a total of 20 adults who were surveyed.
Answer: C. 20
19. To find the percentage of children who chose oatmeal, you need to divide the number of children who chose oatmeal (4) by the total number of children (10) and then multiply by 100.
4/10 * 100 = 40%
Answer: There is no option for 40%, but the closest option is C. 50% which is incorrect. The correct answer is 40%.
The total number of adults who chose oatmeal cookies is 7, and the total number of children who chose oatmeal cookies is 4. Therefore, the total number of people who chose oatmeal cookies is 7+4=11.
Answer: D. 11
Use the table below.
Type of Cookie
Chocolate chip
Adults
5
Children
10
Total
Peanut butter
8
6
Oatmeal
7
4
18. Based on the two-way frequency table, how many adults were surveyed? (1 point)
13
15
20
40
Use the table to answer the question.
19. What percentage of the children chose oatmeal? (1 point)
20%
30%
50%
80%
16. Carol has a collection of 100 stamps. The graph below shows the percentage of stamps she has from each country.
Carol's Stamp Collection
France 24%
England 22%
Italy 25%
Norway 29%
How many more of Carol's stamps are from France than from England?
22 stamps
2 stamps
24 stamps
46 stamps
17. A survey of 594 students about the sports program at a school finds the following results:
495 students like the program.
99 students think the program is inadequate.
If a circle graph were made from the data, what would the measure of the central angle be for the group that thinks the program is inadequate?
17°
60°
83°
300°
16. To find out how many more stamps Carol has from France than from England, first we need to calculate how many stamps she has from each country.
France: 24% of 100 stamps = 24 stamps
England: 22% of 100 stamps = 22 stamps
To find the difference, we can subtract:
24 stamps - 22 stamps = 2 stamps
Answer: B. 2 stamps
17. The total number of students surveyed is 495 + 99 = 594. To find the measure of the central angle for the group that thinks the program is inadequate, we need to find what percentage of the total surveyed they represent:
99/594 * 100% = 16.67%
To find the measure of the central angle, we can use the formula:
central angle = percentage * 360°
central angle = 16.67% * 360° = 60° (rounded to the nearest whole number)
Answer: B. 60°
13. What type of trend does the scatter plot below show? What type of real-world situation might the scatter plot represent?
positive trend; weight and height
negative trend; weight and height
no trend; the number of pets owned and the owner's height
negative trend; the water level in a tank in the hot sun over time
14. The mean of a set of four test scores is 85. If three of the test scores are 81, 83, and 85, what is the fourth test score?
89
87
91
85
15. Which of the following would best display information in a frequency table that has been divided into categories?
bar graph
pictograph
circle graph
histogram
13. The scatter plot shows a positive trend between two variables. The real-world situation it may represent is the relationship between the height and weight of a person. As a person's height increases, their weight tends to increase as well.
Answer: A. Positive trend; weight and height.
14. To find out the fourth test score, we can use the formula:
mean = (sum of all scores) / (number of scores)
If the mean is 85 and there are four test scores, we know that:
85 = (81 + 83 + 85 + fourth score) / 4
Multiplying both sides by 4:
340 = 249 + fourth score
Subtracting 249 from both sides:
91 = fourth score
Answer: C. 91
15. A bar graph would be the best way to display information in a frequency table that has been divided into categories. The bars can represent the different categories, and their length can show the frequency of each category.
Answer: A. Bar graph.
1,000 people were surveyed about the type of vehicles they owned. The results are shown in the circle graph below.
Types of Vehicles Owned
42% SUV
28% Wagon
25% Sedan
5% Hatchback
How many people own a wagon?
2,800
280
28
3
There are two main methods you can use to find the answer to this question based on the given information:
Method 1: Proportions
You can set up a proportion using the percentage of wagon owners in the survey and the total number of people surveyed.
28/100 = x/1000
To solve for x, you can cross-multiply:
100x = 28 * 1000
Dividing both sides by 100:
x = 280
Answer: B. 280 people own a wagon.
Method 2: Circle Graph
You can estimate the number of people who own a wagon by looking at the circle graph and using a proportion.
First, find the fraction of the circle that represents wagons:
28% = 28/100 = 0.28
The fraction of the circle that represents wagons is approximately 0.28.
Next, estimate how many people are represented by the whole circle (100%):
42% + 28% + 25% + 5% = 100%
This means that the whole circle represents all 1,000 people in the survey.
Finally, you can estimate the number of people who own a wagon by multiplying the fraction of the circle that represents wagons by the total number of people in the survey:
0.28 * 1000 = 280
Answer: B. 280 people own a wagon.
9. Which box-and-whisker plot shows the high temperatures in Pittsburgh, Pennsylvania during the first two weeks of March:
33, 45, 42, 47, 35. 45. 41. 34. 44, 34. 48, 40, 43, 45
+ + 50
30
31
32
33
34
35
36
37
38
39
40 41
42 43
44
45
46
47
48
49
+ 50
30 31
32
33
34
35
36
37
38
39
40
41 42 43
44
45
46 47
48
49
30 31
32
33
34
35
36
37
38
39 40
41
42
43
44
45
46
47
48
49
50
+ 50
30
31
32
33
34
35
36
37
38
39 40 41
42
43 44 45
46
47
48
49
10. Ms. Alison drew a box-and-whisker plot to represent her students' scores on a midterm test.
44:42
72
01
96
Jason received 81 on the test. How does Jason's score compare to his classmates?
About 25% scored higher, about 75% scored lower.
About 50% scored higher, about 50% scored lower.
About 75% scored higher; about 25% scored lower.
No one scored higher.