Statistics and Data Analysis

An AP Calculus class took a quiz. The scores were: 95, 82, 100, 77, and 81. What's the mean score of these quizzes?

• 85

• 86

• 87

• 88

After three weeks, the heights (in inches) of the sunflower plants in the Biology room were as follows: 12, 14, 9, 12, 15, 17, 14. What is the median height (in inches) of the plants?

• 12

• 13.5

• 14

• 14.5

The ages of the students in Mr. Smith's AP Pre-Calculus class were as follows: 16, 17, 16, 18, 15, 17, 16, 18. What is the mode of this list?

• 16

• 17

• 18

• No mode

According to this graph, what is the dependent variable?

• Depth of a SCUBA Diver

• Water Temperature

• Day of the week

• There is no dependent variable

According to the graph, a diver at 50 feet should experience water at about what temperature?

• 70 degrees Farenheit

• 60 degrees Celcius

• 50 degrees Farenheit

• 60 degrees Farenheit

Using the points in this scatterplot, which of these would be the Line of Best Fit for the data?

• y = -x + 100

• y = -x + 110

• y = x - 110

• y = x -100

10, 15, 20, 18, _

What number needs to go in the blank to make the mean of the list equal to 16?

• 7

• 10

• 16

• 17

18, 20, 28, 22, 24, 20

What is the median of this list?

• 25

• 20

• 21

• 22