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The following data give the numbers of new cars sold

The following data give the numbers of new cars sold at a dealership during a 20-day period.

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.

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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