Statistics and Probability

Calculate the mean for Valley High School to the nearest tenth

• 22

• 22.44

• 22.4

• 22.5

Calculate the mean for Young High School to the nearest tenth

• 22.88

• 28

• 28.2

• 22.8

What type of Data Display is this?

• Line Plot

• Pie Chart

• Histogram

• Stem & Leaf Plot

What is the interquartile range of the data?

• 8

• 9

• 13

• 21

What is the mean of the following set of numbers: 4, 8, 12, 16, 20?

Mathematical Equivalence

ON

What is the median of the following set of numbers: 3, 7, 9, 6, and 12?

• 6

• 7

• 9

• 5

If a bag contains 3 red marbles, 2 blue marbles, and 5 green marbles, what is the probability of picking a blue marble?

Consider the data values 24, 18, 3, 19, 23, 26, 25, and 25. Which data value is an outlier?

• 3

• 24

• 19

• 25

What type of correlation does this graph have?

• positive 

• negative

• none

• all of the above

You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?

• As x increases, y decreases

• As x increases, y increases

• As x decreases, y decreases