Appropriate Center and Variability

Each of five different stores sell a quart of milk for the following prices:

$1.50, $1.55, $1.80, $1.70, $1.50

What is the mean?

• 1.55

• 1.7

• 1.61

• 2

Fifteen students were asked their favorite color and the following are their responses,

red, red, red, blue, blue, green, orange, orange, orange, orange, orange, orange, orange, pink, yellow

Which measure of center should you choose?

• mean

• median

• mode

Which dot plot shows a GREATER VARIABILITY?

• Team 1 (top)

• Team 2 (bottom)

• They have the same variability

What is the appropriate measure to use for describing the center of data?

• Mean

• Median

What is the appropriate measure to use for describing the center of data?

• Mean

• Median

What is the appropriate measure to use for describing the center of data?

• Mean

• Median

What is the appropriate measure to use for describing the center of data?

• Mean

• Median

Which word refers to how spread out the data is?

• Variability

• Mean

• Median

• Mode

Which box plot shows a GREATER VARIABILITY?

• Afternoon (top)

• Morning (bottom)

• They have the same variability

Which box plot shows a GREATER VARIABILITY?

• Ramy (top)

• Mona (bottom)

• They have the same variability