1. Lionel wants to compare the heights of his plants. What type of graph ou.ld be best for him to use? * pie or circle

1. Lionel wants to compare the heights of his plants. What type of graph ou.ld be best for him to use? *

pie or circle graph
line graph
bar graph
Other:
2. Kathy records how many cars of each color are in the parking lot and then turns those into percentages. What kind of graph should she use?

pie or circle graph
line graph
bar graph
Other:
3. Find the mean of these numbers:5,11,2,12,4,2

4.1
4.5
6
4

4. 3, 4, 5, 5, 5, 6,7 The range of these numbers is …

15
4
5
2
Other:
5. In order to find the median, the data must be sorted from least to greatest first.

True
False
Option 3
6. You use this type of graph when comparing a change over the course of time *

pie or circle graph
line graph
bar graph
Other:
7, A middle school has 6th grade, 7th grade, and 8th grade teachers. The principal wants to determine what supplies to order for the supply closet. Which of the following represents a random sample of teachers?

a. Surveying all the math teachers
b. Surveying all the teachers who have bus duty
c. Surveying all the teachers who are married
d. Surveying every fifth teacher according to the staff directory on the school website

8. A student wants to know which type of of pizza high school students perfer. Which of the following options is a good, representative sample of the population?

Asking all the 10th graders in the school
Asking the school principal which type of pizza he perfers
Asking 20 students from each grade level
Asking the students who walk to school
Other: