Central Tendency: Estimation

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

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

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 mean number of miles Jenna cycled?

• 31

• 36

• 39

• 41

In the last 5 games, Kevin Durant scored 22, 22, 18, 12, and 21 points. What is Durant's Mean (Average) score per game?

•  19 points per game

• 95 points per game

• 18.6 points per game

• 22 points per game

Match the following vocabulary with the definitions

• Mean

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

• Range

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

• Mode

• the most frequently occurring value(s)

• Median

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

Match the following

• 2

• Maximum

• All values added =12

  12/8=1.5

• Minimum

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

• Mode

• 0

• Mean

• 4

• Median

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 mode of 16,18,20,21,21,21,32,40?

• 21

• 56

• 7

• 18

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number

• They are both the median

• Find the mean of the two numbers

• None of the above