7th Data & Statistics Review

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

• 2
• 5
• 7
• 4

What is the mode in the set of data?
2,2,2,4,4,5,6,6,6,7

• 2
• 6
• 2 and 6
• 2,4, and 6

Find the mean of these numbers:
2, 57, 38, 42, 6

• 29
• 38
• 50
• 145

Which is the MIDDLE?

• Mean
• Median
• Mode
• Range

3, 4, 5, 5, 5, 6,7

The range of these numbers is ...

• 15

• 4

• 2

• 5

Probability can be written as ...

• a fraction
• a decimal
• a percent
• all of the above

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?

• 3/10
• 3/9
• 1/9
• 1/3

Find the experimental probability:

Roll dice: 1, 3, 3, 4, 4

P(1) =

• 3/5

• 1/6

• 2/5

• 1/5

What is the probability of spinning green?

• 0
• 1/4
• 1/2
• 3/4

How many trees are at least 15 feet tall?

• 12 trees

• 2 trees

• 9 trees

• 41 trees