Data Collection and Measures of Center and Spread

What is the range?

• 10

• 12

• 15

• 2 - 12

What is the range?

• 6

• 2 - 8

• 3

• 4

If you have two numbers in the middle, you should

• add them together and divide by two

• find the number in between the two

• find the mean of the two numbers

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

• 24

• 36

• 39

• 52

A farmer recorded the amount of cherries sold in the past 5 days.

What is the range of the number of kilograms sold?

(a)  

Tags

CCSS.7.EE.B.3

How many scores are listed in this Stem and Leaf Plot?

• 3

• 6

• 9

• 18

How many more people have purple for a favourite colour than red?

• 3

• 5

• 7

• 9

Tags

CCSS.2.MD.D.9

Is there an outlier?
If so, what is it?

• no outlier

• outliers are 98 and 17

• outlier is 98

• outlier is 17

What is the value of the median without the outlier included?

• 8.5

• 9

• 9.5

• 11

What is the range?

• The sum of the largest and smallest number

• The number in the middle

• The difference between the largest and smallest number

• The number that appears most often