Measures of Center and Statistical Questions

The number of miles that Kiki cycled each week for a 7-week period is shown: 
36, 42, 28, 52, 48, 36, 31 
What is the median number of miles Kiki cycled?

• 24

• 36

• 39

• 52

A data set can have more than one mode

• True

• False

Find the mean of the data set below. Round up to the nearest whole number (no decimal).

high temperature (in degrees F) each day in Aiken: 72, 66, 74, 78, 78, 80

• 70

• 78

• 73

• 75

What is the mode of this data set represented by the dot plot?

• 17

• 23

• 25

• 20

Determine the median of the data set below: age of students in a high school math class: 15, 16, 17, 17, 16, 15, 16, 17, 16, 15, 17

• 15

• 16

• 17

Find the mean number of soccer goals scored.

Round the decimal up to the nearest whole number (ex: if the answer was 4.5, round up to 5).

(a)  

Find the mode of this data set.

(a)  

What are the three measures of center?

(check ALL 3 correct answers)

• median

• measure

• mean

• mode

What is the first step to find the mean of a data set?

• multiply all the numbers in the data set to find the product

• add all the numbers in the data set to find the sum

• divide all the numbers in the data set to find the quotient

• subtract all the numbers in the data set

What is the operation in the second step to find the mean?

• add

• subtract

• divide

• multiply