Central Tendency and Empirical Rule

If you score 76, 85, 97, and 83 on your math tests, what would your median score be? 

• 84
• 90
• 85
• 88

Find the mean of these numbers:
5, 11, 2, 12, 4, 2

• 4.1
• 6
• 4.5
• 4

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

• Pick your favorite number
• Add the two numbers in the middle & then divide by two.
• They are both the median
• None of the above

the scores in a basketball match are as follows:
7,13,18,24,9,3,18
which score occurred most often?

• 9
• 13
• 18
• 24

What is the range of the set: 49, 68, 62, 47, 39, 54, 43

• 25
• 29
• 31
• 19

A data set can have more than one mode

• True
• False

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

The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?

• 99 was the highest score on the test.
• More students received a 94 than any other score
• No student scored below a 50
• A score of 91 was slightly below average.

What is the MEDIAN of this set of data?

10, 90, 80, 60, 50, 40, 70, 30, 20, 100

• 50

• 60

• 55

• 45

What is the mean of these numbers?
4,5,5,2,3,3,2,8

• 40
• 24
• 4
• 256