Analyzing Data

Which statement is true about the two dot plots.

• The difference of the ranges is 1.

• The medians of the two dot plots is the same.

• The range of the miles run at the end of the school year is greater than the miles run at the start of the school year.

• On average you ran more at the start of the school year than at the end of the school year.

How many total students were surveyed about their number of brothers and sisters? (add up all of the dots)

• 15

• 10

• 6

What is the shape of the dot plot shown?

• skewed left

• skewed right

• symmetrical

What is the mean of the data? (0's still count as numbers)

• 2

• 32

• 15

• 2.46

How many students scored between a 86 and a 90?

• 1

• 3

• 6

• 10

How many students are between 48 and 51 inches tall?

• 14

• 8

• 2

• 0

True or false: More people scored between 55-68 than 50-55.

• True

• False

What percentage of students scored a 39 or higher?

• None

• 25%

• 50%

• 75%

What was the lowest score?

• 20

• 30

• 39

• 40

What was the median score?

• 39

• 50

• 55

• 16