Measures of Central Tendency

What is the range?

• The number in the middle

• the biggest number MINUS the smallest number

• The number that appears most often

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

What is the median?

• The number in the middle when the numbers are in order from least to greatest.

• The average

• The number that appears most often.

Tags

CCSS.6.SP.B.5C

What is the mode?

• The average

• The number that appears most often.

• The number in the middle.

Tags

CCSS.6.SP.B.5C

To find the average, or mean, of a set of numbers, add up all the numbers and divide by...

• The number of items in the set.

• The smallest number

• The largest number

Tags

CCSS.6.SP.B.5C

A data set can have more than one mode

• True

• False

Tags

CCSS.6.SP.B.5C

When you are finding the MEDIAN and 2 numbers are in the middle, what do you do?

• List both of the numbers as the Median.

• Add the two numbers together and divide by 2.

• Pick the one that you want.

Tags

CCSS.6.SP.B.5C

Roger bowled 7 games last weekend.

His scores are: 127, 138, 142, 155, 165, 172, and 193.

What is the range of Roger's scores?

• 193

• 127

• 66

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

The number of miles Jenna ran each week is shown:

28, 31, 36, 36, 42, 48, 52

What is the median number of miles Jenna ran?

• 24

• 39

• 36

Tags

CCSS.6.SP.B.5C

Dr. Dre is a dentist.

He must report on the average (mean) number of cavities his patients have.

1, 0, 1, 5, 0, 3, 4

What is the average number of cavities?

• 1

• 2

• 7

Tags

CCSS.6.SP.B.5C

At Donald's Donuts, the number of donut holes in a bag can vary.

Help Donald find the MODE.

12, 10, 10, 10, 13, 12, 11, 13, 10

• 10

• 12

• No mode

Tags

CCSS.6.SP.B.5C