Brian looked up prices of thirteen used Chevrolet HHR "retro" trucks in the classified ads and found these prices: $8,500, $8,500, $8,500, $9,900, $10,800, $10,800, $11,000, $12,500, $12,500, $13,000, $13,000, $14,500, and $23,000.
a. Make a frequency table for this data set.
b. Find the mean. Round to the nearest dollar.
c. Find the median.
d. Find the mode.
e. Find the range.
f. Find the four quartiles.
g. Find the interquartile range.
h. Find the boundary for the upper outliers.
i. Find the boundary for the lower outliers.
j. How many outliers are there?
k. Draw a modified box-and-whisker plot. Label it.