AMDM Analyzing Numerical 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.

What was the median score?

• 39

• 50

• 55

• 16

What is the shape of the dot plot shown?

• skewed left

• skewed right

• symmetrical

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

• 2

• 32

• 15

• 2.46

Which interval has 400 employees?

• 33-43

• 0-10

• 77-87

• 66-76

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

How many students are represented by the histogram?  

• Cannot be determined

• 9

• 31

• 35

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

• True

• False