Measures of Central Tendency Quiz(3)

What is the mode?

• The middle number in an ordered set of data.

• The difference between the greatest and least amount in the data set

• The value that occurs the most often in a data set

• The sum of all the numbers in a data set divided by the size

Which is a synonym for "average?"

• median

• mode

• range

• mean

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

What is the mode of the following data set...

4 , 8 , 5 , 17 , 5 , 4 , 9 , 5 , 6 , 82

• 4

• 9

• 6

• 5

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

• 84

• 90

• 85

• 88

Find the mean of these numbers:

5, 11, 2, 12, 4, 2

• 2

• 6

• 4.5

• 5

The range of the numbers 34, 32, 12, 65, and 45 is...

• 11

• 32

• 53

• 38

Terrance's homework grade was a 72, his project grade was an 80 and his exam grade was an 82. Homework is worth 10% of the final grade, the project was worth 50%, and the exam was worth 40%.

What was Terrance's final grade?

• 80

• 78

• 82

• 76

Identify the midrange for the given data:

23, 35, 27, 7, 30, 26, 28, 31, 34

• 21

• 14

• 42

• 35

What is the shape of the distribution?

• Skewed Left 
• Skewed Right
• Symmetric
• Bimodal