Pre-Algebra Statistics Review

The team scored 80 points. How many points did Porter score?

• 40 points

• 32 points

• 14.4 points

• 12 points

Find the mode of these numbers:
4, 3, 6, 4, 3, 6, 6, 3, 2, 1, 3

• 3

• 6

• 4

• 2

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

• 4.1

• 6

• 4.5

• 4

Find the range of these numbers:
15, 2, 3, 3, 2, 16, 2, 4

• 2

• 13

• 14

• 7

Find the median of these numbers:
4, 2, 7, 4, 3

• 2

• 5

• 7

• 4

How many scores are listed in this Stem and Leaf Plot?

• 3

• 6

• 9

• 18

Which day had more minutes of homework?

• Wednesday

• Thursday

• Friday

• Ms. Jones

What is the mode?

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

• The middle number in an ordered set of data

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

• The sum of the between the greatest and the least elements, divided by two

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

Find the median, mode and range: 
3, 5, 7, 9, 11, 8, 3

• median:7  mode:3  range:10

• median:6  mode:3  range:7

• median:7  mode:3 range:8