Statistics Review

Which of the following statistical questions could've been asked to get the dot plot shown?

• How many days last week did you buy the school lunch?

• How many days were in the last month?

• What numbers between 0 and 5 are prime?

• What is the perimeter of a 1.5inch x 1 inch notecard?

The number of miles Paula ran in a week are shown below. What is the mean of the data?

(a)  

The number of miles Paula ran in a week are shown below. What is the median of the data?

(a)  

The number of miles Paula ran in a week are shown below. What is the mode of the data?

(a)  

The number of miles Paula ran in a week are shown below. What is the range of the data?

(a)  

The data show the average monthly temperatures. If the MEAN OF THE DATA IS 61, then what is the MAD?

• 8

• 6.4

• 7.2

• 5.8

According to the histogram, how many students spend between 6 and 11 hours per week playing sports? (Do not label your answer.)

(a)  

What are the 1st and 3rd Quartiles of the Box Plot?

• 20 and 35

• 21 and 24

• 21 and 31

• 21 and 35

What is the IQR of the Box Plot?

(a)  

Frank kept track of the amount of money he earned each day for 2 weeks. The amounts, in dollars, are listed. What measure of center and variability would best describe the data?

• Mean & MAD, because the data is clustered together and doesn't contain an outlier.

• Median & IQR, because the data is spread out or contains an outlier.