Probability & Statistics Review

If a survey is done and it appeals to one part of the population, the survey is considered:

• random
• biased
• fair
• systematic

Tags

CCSS.7.SP.A.1

On a 6-sided die, which is more likely?

• Rolling an odd number
• Rolling an even number
• They are both equally likely.

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

The chart below represents the number of marbles in a jar.
P(green) = 

• 5/19
• 10/28
• 5/14

A nurse wants to know the average height of all 8th graders that attend the middle school where she works so she measures the height of all the basketball players.

• Biased 
• Unbiased

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Mr. Joyce wants to know what the favorite sport of Berner Middle School students is.  Which would be the best sample group to survey?  

• all boys that enter the school building
• all girls that enter the cafeteria
• every 4th student to enter the school building
• all girls trying out for the basketball team

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

You have a standard number cube.  What are the possible outcomes when rolling a number cube?  

• A, E, I, O, U
• 1, 3, 5
• 2, 4, 6
• 1, 2, 3, 4, 5, 6

Find the mode.
12, 5, 9, 18, 22, 25, 5

• 22
• 18
• 9
• 5

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.
12,10,10,10,13,12,11,13,10

• 13
• 12
• 11
• 10

What is the RANGE of this data

• 40
• 95
• 90
• 100

What is the RANGE of this data?

• 20
• 90
• 70
• 80