Data Analysis Dot Plots

What is the median number of points scored per game?

• 5

• 10

• 17

• 32

What is the highest score in the class?

• 88%

• 100%

• 13

• 98%

What is the RANGE of this data

• 40

• 95

• 90

• 100

What value is the lower quartile (q1)?

• 66

• 58

• 60

• 64

The dot plots show the heights of seventh graders in two classes. Which statement is best supported by these data?

• The distributions of the data of both classes are approximately symmetrical

• The median height of the students in Mr. Carter's class is less than the median height of the students in Mrs. Petunia's class

• Mr. Carter's class has a greater range in player heights than Mrs. Petunia's class has

• The mode height of the students in Mr. Carter's class is less than the mode height of students in Mrs. Petunia's class

Answer explanation

To find the range you need to subtract the highest value and the lowest value for each class

Tags

dot plots

teks 7.6g

range

median

mode

The dot plots show the number of pets students have in two classes. Which statement is best supported by the data?

• The mean of Mrs. Jones' class is higher than the mean of Mr. Carson's class.

• The range of Mr. Carson's class is lower than the range of Mrs. Jones' class.

• The median of Mr. Jones' class is equal to the median of Mr. Carson's class.

• The mode of Mrs. Jones' class is higher than the mode of Mr. Carson's class.

Answer explanation

Remember, the median is the middle data point

Tags

dot plots

teks 7.12a

mean

median

mode

The dot plots show the number of video games owned by both boys and girls. Which statement is best supported by the data?

• The mean of video games owned by Boys is less than the mean of video games owned by Girls

• The range of video games owned by Boys is greater than the range of video games owned by Girls

• The mode of video games owned by Boys is greater than the mode of video games owned by Girls

• The median of video games owned by Boys is greater than the median of video games owned by Girls

Tags

dot plots

teks 7.12a

mean

median

mode

What is the mode of the dot plot?

• 0

• 1

• 2

• 3

• 6

Here are three statements about the height of students in two classes. I. The median of the two classes is equal II. The distribution of heights for Mr. Carter's class appears to be symmetrical III. The mode of Mrs. Petunia's class is less than the mode of Mr. Carter's class Which of these 3 statements appear to be true?

• I, II, and III

• I and II

• II and III

• III only

Tags

dot plots

teks 7.12a

mode

median

symmetry

What is the range of the dot plot?

• 9

• 8

• 3

• 4

• 0