# Question: 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.

**View Solution:**## Answer to relevant Questions

According to www.money-zine.com, the average FICO score in the United States was around 692 in December 2011. Suppose the following data represent the credit scores of 22 randomly selected loan applicants. a. Calculate the ...The range, as a measure of spread, has the disadvantage of being influenced by extreme values. Illustrate this point with an example. The mean weekly wages of a sample of 15 employees of a company are $1035. The mean weekly wages of a sample of 20 employees of another company are $1090. Find the combined mean for these 35 employees. As mentioned in Exercise 4.52, a July 21 survey on www.HuffingtonPost.com asked people to choose their favorite junk food from a list of choices. Although the results were not broken down by gender, suppose that the ...Given that A and B are two mutually exclusive events, find P(A or B) for the following. a. P(A) = .71 and P(B) = .03 b. P(A) = .44 and P(B) = .38Post your question