1.   Mary Jo wants to find the average of her friend's weekly allowances. Use the table below, and find the mean weekly allowance.
   
    A. $10 B. $7.50
    C. $5 D. $12.50
    Hint

  2.   The number of points a basketball team scored in eight different games is listed in the table shown. Which of the following scores represents the mean score?
   
    A. 73 B. 70
    C. 75 D. 72
    Hint

  3.   Which number is an outlier in the data shown in the table?
   
    A. 9 B. 10
    C. 19 D. 11
    Hint

  4.   What is the mean of the data shown without the outlier?
   
    A. $113 B. $102
    C. $99 D. $120
    Hint

  5.   Which statements best describes how the outlier affects the mean of the data set shown?
   
    A. The outlier does not affect the mean of the data. B. The outlier causes the mean to be much less in value than the other values in the data set.
    C. The outlier causes the mean to be much greater in value than the other values in the data set. D. The outlier causes the mean to be slightly greater in value than the other values in the data set.
    Hint