Construct the sparkline of new home sales prices yearwise.

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Answer 1

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Definition Definition Middle value of a data set. The median divides a data set into two halves, and it also called the 50th percentile. The median is much less affected by outliers and skewed data than the mean. If the number of elements in a dataset is odd, then the middlemost element of the data arranged in ascending or descending order is the median. If the number of elements in the dataset is even, the average of the two central elements of the arranged data is the median of the set. For example, if a dataset has five items—12, 13, 21, 27, 31—the median is the third item in ascending order, or 21. If a dataset has six items—12, 13, 21, 27, 31, 33—the median is the average of the third (21) and fourth (27) items. It is calculated as follows: (21 + 27) / 2 = 24.

Chapter 2, Problem 67PS

a.

To determine

Construct the sparkline of new home sales prices yearwise.

b.

To determine

Draw the conclusion about the median sales price of new single-family houses sold in United States.

c.

To determine

Compare the above obtained spark lines with the time series plot shown in problem 2.55.

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After its move in 1990 to La Junta, Colorado, and its new initiatives, the DeBourgh Manufacturing Company began an upward climb of record sales. Suppose the figures shown here are the DeBourgh monthly sales figures from January 2001 through December 2009 (in $1,000s). a) Produce a time series plot. Are there any trends evident in the data? Does DeBourgh have a seasonal component to its sales? b) Deseasonalize the data using Multiplicative model with a 0.5 weighted moving average. Produce a time series plot of the deseasonalized data and add a trendline. c) Forecast the sales from January to December of the year 2010. d) Include a discussion of the general direction of sales and any seasonal tendencies that might be occurrinG Month 2001 2002 2003 2004 2005 2006 2007 2008 2009 January 139.7 165.1 177.8 228.6 266.7 431.8 381 431.8 495.3 February 114.3 177.8 203.2 254 317.5 457.2 406.4 444.5 533.4 March 101.6 177.8 228.6 266.7 368.3 457.2 431.8 495.3 635 April 152.4 203.2…

Answer 2

Question

Definition Definition Middle value of a data set. The median divides a data set into two halves, and it also called the 50th percentile. The median is much less affected by outliers and skewed data than the mean. If the number of elements in a dataset is odd, then the middlemost element of the data arranged in ascending or descending order is the median. If the number of elements in the dataset is even, the average of the two central elements of the arranged data is the median of the set. For example, if a dataset has five items—12, 13, 21, 27, 31—the median is the third item in ascending order, or 21. If a dataset has six items—12, 13, 21, 27, 31, 33—the median is the average of the third (21) and fourth (27) items. It is calculated as follows: (21 + 27) / 2 = 24.

Chapter 2, Problem 67PS

a.

To determine

Construct the sparkline of new home sales prices yearwise.

b.

To determine

Draw the conclusion about the median sales price of new single-family houses sold in United States.

c.

To determine

Compare the above obtained spark lines with the time series plot shown in problem 2.55.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 3

Question

Definition Definition Middle value of a data set. The median divides a data set into two halves, and it also called the 50th percentile. The median is much less affected by outliers and skewed data than the mean. If the number of elements in a dataset is odd, then the middlemost element of the data arranged in ascending or descending order is the median. If the number of elements in the dataset is even, the average of the two central elements of the arranged data is the median of the set. For example, if a dataset has five items—12, 13, 21, 27, 31—the median is the third item in ascending order, or 21. If a dataset has six items—12, 13, 21, 27, 31, 33—the median is the average of the third (21) and fourth (27) items. It is calculated as follows: (21 + 27) / 2 = 24.

Chapter 2, Problem 67PS

a.

To determine

Construct the sparkline of new home sales prices yearwise.

b.

To determine

Draw the conclusion about the median sales price of new single-family houses sold in United States.

c.

To determine

Compare the above obtained spark lines with the time series plot shown in problem 2.55.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 4

Question

Definition Definition Middle value of a data set. The median divides a data set into two halves, and it also called the 50th percentile. The median is much less affected by outliers and skewed data than the mean. If the number of elements in a dataset is odd, then the middlemost element of the data arranged in ascending or descending order is the median. If the number of elements in the dataset is even, the average of the two central elements of the arranged data is the median of the set. For example, if a dataset has five items—12, 13, 21, 27, 31—the median is the third item in ascending order, or 21. If a dataset has six items—12, 13, 21, 27, 31, 33—the median is the average of the third (21) and fourth (27) items. It is calculated as follows: (21 + 27) / 2 = 24.

Chapter 2, Problem 67PS

a.

To determine

Construct the sparkline of new home sales prices yearwise.

b.

To determine

Draw the conclusion about the median sales price of new single-family houses sold in United States.

c.

To determine

Compare the above obtained spark lines with the time series plot shown in problem 2.55.

Expert Solution & Answer

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See solution

Answer 5

Chapter 2, Problem 67PS

a.

To determine

Construct the sparkline of new home sales prices yearwise.

b.

To determine

Draw the conclusion about the median sales price of new single-family houses sold in United States.

c.

To determine

Compare the above obtained spark lines with the time series plot shown in problem 2.55.

Answer 6

Chapter 2, Problem 67PS

a.

To determine

Construct the sparkline of new home sales prices yearwise.

Answer 7

Chapter 2, Problem 67PS

a.

To determine

Construct the sparkline of new home sales prices yearwise.

Answer 8

b.

To determine

Draw the conclusion about the median sales price of new single-family houses sold in United States.

Answer 9

b.

To determine

Draw the conclusion about the median sales price of new single-family houses sold in United States.

Answer 10

c.

To determine

Compare the above obtained spark lines with the time series plot shown in problem 2.55.

Answer 11

c.

To determine

Compare the above obtained spark lines with the time series plot shown in problem 2.55.

Answer 12

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Answer 13

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Answer 14

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Answer 15

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Construct the sparkline of new home sales prices yearwise.

Solution Summary: The author explains the steps used to draw the sparkline of new home sales prices yearwise. The data is given for each month from January 2000 to December 2016.

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Construct the sparkline of new home sales prices yearwise.

Draw the conclusion about the median sales price of new single-family houses sold in United States.

Compare the above obtained spark lines with the time series plot shown in problem 2.55.

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Chapter 2 Solutions