**Question 1**
A group of 23 students participated in a math competition. Their scores are below:
| Score (points) | Number of Students |
|----------------|--------------------|
| 20-29 | 4 |
| 30-39 | 7 |
| 40-49 | 5 |
| 50-59 | 4 |
| 60-69 | 3 |
Would a line plot or a histogram best represent the data presented here? Why?
A. Histogram, because a large number of scores are reported as ranges
B. Histogram, because a small number of scores are reported individually
C. Line plot, because a large number of scores are reported as ranges
D. Line plot, because a small number of scores are reported individually
---
**Question 2 (Multiple Choice, Worth 1 point)**
The following line plot shows the pulse rates of runners after finishing a marathon:
Which of the following data sets is represented in the line plot?
A. {150, 160, 160, 160, 165, 165, 165, 165, 165, 175, 175, 175, 175}
B. {150, 160, 165, 175}
C. {1, 3, 5, 4}
D. {150, 160, 162, 164, 165, 165, 166, 167, 168, 175, 174, 176, 175}
---
**Question 3 (Multiple Choice, Worth 1 point)**
Elsa recorded the different types of ice cream her friends like in the table below:
| Ice Cream Type | Number of Friends |
|----------------|-------------------|
| Chocolate | 3 |
| Pistachio | 1 |
| Strawberry | 2 |
| Vanilla | 4 |
Which of the following plots represents the data in the table?
---
**Question 4 (Multiple Choice, Worth 1 point)**
A data set lists the heights of students. Which of the following charts could be used to display the data, and why?
A. Bar chart; because the data is categorical
B. Bar chart; because the data is numerical
C. Line plot; because the data is categorical
D. Line plot; because the data is numerical
---
**Question 5 (Multiple Choice, Worth 1 point)**
The following data set shows the pulse rates of some horses at a farm:
35, 38, 33, 39, 39, 40, 33, 39, 37, 33, 40, 34, 38, 35, 39
Which line plot best represents the data?
---
**Question 6 (Multiple Choice, Worth 1 point)**
The display shows the favorite sport among 9th graders.
Which of the following describes the data set?
A. Univariate and categorical
B. Univariate and numerical
C. Bivariate and categorical
D. Bivariate and numerical
---
**Question 7 (Multiple Choice, Worth 1 point)**
A testing company is studying 8th grade standardized test scores. Which of the following displays could be used to represent the data, and why?
A. Bar chart; because test scores are numerical
B. Box plot; because test scores are categorical
C. Circle graph; because test scores are categorical
D. Stem-and-leaf plot; because test scores are numerical
---
**Question 8 (Multiple Choice, Worth 1 point)**
A neighborhood is trying to set up school carpools, but they need to determine the number of students that need to travel to the elementary school (ages 5-10), the middle school (ages 11-13), and the high school (ages 14-18). A bar chart summarizes their findings:
Which of the following data sets is represented in the bar chart?
A. {15, 6, 7, 16, 11, 13, 8, 9, 12, 14, 14, 12, 11, 5, 10, 10}
B. {7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 4, 4, 4, 4}
C. {5, 7, 10, 5, 11, 13, 4, 14, 18}
D. {5, 6, 7, 8, 14, 18, 16, 17, 11, 12, 13}
---
**Question 9 (Multiple Choice, Worth 1 point)**
The following is a list of grades that students received on a recent math exam:
77, 78, 81, 62, 63, 65, 81, 92, 93, 89, 91, 78, 66, 75, 78, 80, 91, 93, 95, 93, 91, 88, 76, 89, 91, 96.
The teacher wants to display scores in equal ranges. Which of the following displays would represent the data in this way?
A. Bar chart
B. Box plot
C. Circle graph
D. Histogram
---
**Question 10 (Multiple Choice, Worth 1 point)**
The following histogram shows the number of items sold at a grocery store at various prices:
Which of the following data sets is represented in the histogram?
A. {0.50, 2.00, 2.52, 3.37, 4.53, 5.00, 8.99}
B. {2, 4, 0, 1}
C. {2.50, 2.51, 5.00, 5.01, 7.50, 9.00, 10.00}
D. {0.50, 2.50, 2.50, 5.00, 5.00, 5.00, 7.51}
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FDK91.12
