In recent years, due to low interest rates, many

Chapter 4, Problem 21E

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QUESTION:

Problem 21E

In recent years, due to low interest rates, many homeowners refinanced their home mortgages. Linda Lahey is a mortgage officer at Down River Federal Savings and Loan. Below is the amount refinanced for 20 loans she processed last week. The data are reported in thousands of dollars and arranged from smallest to largest.

59.2

59.5

61.6

65.5

66.6

72.9

74.8

77.3

79.2

83.7

85.6

85.8

86.6

870

87.1

90.2

93.3

98.6

100.2

100.7

 

 

 

 

 

 

 

a. Find the median, first quartile, and third quartile.

b. Find the 26t.h and 83rd percentiies.

c. Draw a box plot of the data.

Questions & Answers

QUESTION:

Problem 21E

In recent years, due to low interest rates, many homeowners refinanced their home mortgages. Linda Lahey is a mortgage officer at Down River Federal Savings and Loan. Below is the amount refinanced for 20 loans she processed last week. The data are reported in thousands of dollars and arranged from smallest to largest.

59.2

59.5

61.6

65.5

66.6

72.9

74.8

77.3

79.2

83.7

85.6

85.8

86.6

870

87.1

90.2

93.3

98.6

100.2

100.7

 

 

 

 

 

 

 

a. Find the median, first quartile, and third quartile.

b. Find the 26t.h and 83rd percentiies.

c. Draw a box plot of the data.

ANSWER:

Solution 21E

Step1 of 4:

From the given problem we have sample data and it is given below:

59.2

59.5

61.6

65.5

66.6

72.9

74.8

77.3

79.2

83.7

85.6

85.8

86.6

870

87.1

90.2

93.3

98.6

100.2

100.7

 

 

 

 

 

 

 

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