Consider the quality of cars, as measured by the number of cars requiring extra work after assembly, in each day’s production for 15 days:
30, 34, 9, 14, 28, 9, 23, 0, 5, 23, 25, 7, 0, 3, 24
a. Find the average number of defects per day.
b. Find the median number of defects per day.
c. Draw a histogram of the data.
d. Find the mode number of defects per day for your histogram in part c.
e. Find the quartiles.
f. Find the extremes (the smallest and largest).
g. Draw a box plot of the data.
h. Draw a cumulative distribution function of the data.
i. Find the 90th percentile for this data set.
j. Find the percentile ranking for the next day’s value of 29 defects.

  • CreatedNovember 11, 2015
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