Central Tendency

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

• 5

• 6

• 9

• 11

Which number is not the mean, median, mode, or range of the data set 4, 3, 15, 11, 3, 8, 7, 5?

• 3

• 6

• 12

• 11

What is the mode of 16,18,20,21,21,21,32,40?

• 21

• 56

• 7

• 18

the following is time (in seconds) taken for five men to run in a sprint race
59,65,61,62,55
what is the mean of the time taken?

• 60.0

• 60.4

• 61.0

• 61.4

Match the following vocabulary with the definitions

• Mean

• the average of values, sum of all values divided by how many values

• Measures of Central Tendency

• the most frequently occurring value(s)

• Mode

• the middle value, when the data is ordered from least to greatest

• Median

• a value that describes the center or middle of a data set

• Range

• the difference between the largest and smallest values in a data set

Match the following

• 2

• Median

• 0

• Mean

• All values added =12

  12/8=1.5

• Maximum

• Middle value is between 1 and 2, so=1.5

• Mode

• 4

• Minimum

What is the MEDIAN of this data

Mathematical Equivalence

ON

What is the median number of miles Sally ran? HINT: Median is like medium... It's in the middle.

Mathematical Equivalence

ON

What is the median of the following numbers? 1, 2, 2, 8, 9, 20

• 20

• Median

• 19

• Mean

• 2

• Range

• 5

• Mode

• 7

• Outlier

What is the median?

• biggest- smallest

• average

• the middle #

• # that happens the most