L (131): Compare Center and Spread of Data Displayed in Dot Plot

the average of a

group of numbers.

• mean

• median

• mode

• range

2, 5, 2, 1, 5

mean is ...........

• 5

• 3

• 2

• 1

What is the mean of these

numbers?

7, 10, 16

• 5

• 11

• 3

• 1

– the middle number

in a set of ordered numbers.

• mean

• median

• mode

• range

1, 3, 7, 10, 13

Median =

• 7

• 10

find the median 21, 18, 24, 19, 27

• 21

• 19

What is the median of these

numbers?

16, 10, 7

• 7

• 10

What is the median of these

numbers?

31, 7, 2, 12, 14, 19

• 13

• 15

the most

popular or that which is in

fashion.

• sample

• A la mode

the number that

appears most frequently in a

set of numbers..

• mean

• median

• mode

• range