AP Stats Semester Review

Joey’s first 14 quiz grades in a marking period are above, what is the mean? (a)  

Joey’s first 14 quiz grades in a marking period are above, what is the IQR? (a)  

The type of graph that is based on the five number summary.

• Bar graph

• Dot plot

• Histogram

• Boxplot

What is the shape of the data?

• symmetrical

• skewed left

• skewed right

• bell curve

Is this a probability distribution?

• No, the sum of p(x) does not equal 1.

• Yes, all p(x) are between 0 and 1.

• No, all p(x) are not between 0 and 1.

• Yes, the sum p(x) is 1.

• A

• B

• C

• D

• E

Is this a probability distribution?

• No

• Yes

What is shape of the data?

• symmetrical

• skewed left

• skewed right

• bell curve

What is the shape of the data?

• symmetrical

• skewed left

• skewed right

• bimodal

Which conclusion is best supported by the scatterplot?

• As the length of a call increases, the cost of the call increases.

• As the length of a call increases, the cost of the call remains the same.

• As the length of a call increases, the cost of the call decreases.

• There is no relationship between the length of a call and the cost of the call.