The following data give the numbers of new cars sold at a dealership during a 20-day period.
Question:
a. Calculate the values of the three quartiles and the interquartile range. Where does the value of 4 lie in relation to these quartiles?
b. Find the (approximate) value of the 25th percentile. Give a brief interpretation of this percentile.
c. Find the percentile rank of 10. Give a brief interpretation of this percentile rank.
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The ranked data are 3 3 4 5 5 6 7 7 8 8 8 9 9 10 10 11 11 12 12 16 a T...View the full answer
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