The following table gives the total number of live Christmas trees sold, in millions, in the United States fr 2004 to 2011. (Source: Statista.com). t = number of years since 2004 0 2 4 6 7 C = total number of Christmas trees 27.1 28.6 28.2 27 30.8 sold in the U.S. (in millions) 1. Use the TABLE to determine the number of live Christmas trees sold in the year 2008. In 2008, there were approximately 28.2 million live Christmas trees sold in the U.S. 2. Determine the linear regression equation that models the set of data above. Use the indicated variable and proper function notation. Round to the nearest hundredth as needed.C = 0.28t+ 27.28 3. Interpret the meaning of the slope of your (rounded) regression model. From 2004 to 2011, the number of Christmas trees sold in the U.S. increased by approximately million trees each year. 0.28 4. Use the REGRESSION EQUATION to determine the number of live Christmas trees sold in the year 2008 In 2008, there were approximately 28.40 million live Christmas trees sold in the U.S. 5. Your answers to parts 1 and 4 should be different. Why is this the case? • The data are not perfectly linear. The regression equation gives only an approximation of the actual value, not the exact value. The data are linear. The regression equation gives only an approximation of the actual value, not th exact value. The data are linear. The regression equation gives a more precise answer than the value from the ta The data are not perfectly linear. The regression equation gives a more precise answer than the valu from the table.
The following table gives the total number of live Christmas trees sold, in millions, in the United States fr 2004 to 2011. (Source: Statista.com). t = number of years since 2004 0 2 4 6 7 C = total number of Christmas trees 27.1 28.6 28.2 27 30.8 sold in the U.S. (in millions) 1. Use the TABLE to determine the number of live Christmas trees sold in the year 2008. In 2008, there were approximately 28.2 million live Christmas trees sold in the U.S. 2. Determine the linear regression equation that models the set of data above. Use the indicated variable and proper function notation. Round to the nearest hundredth as needed.C = 0.28t+ 27.28 3. Interpret the meaning of the slope of your (rounded) regression model. From 2004 to 2011, the number of Christmas trees sold in the U.S. increased by approximately million trees each year. 0.28 4. Use the REGRESSION EQUATION to determine the number of live Christmas trees sold in the year 2008 In 2008, there were approximately 28.40 million live Christmas trees sold in the U.S. 5. Your answers to parts 1 and 4 should be different. Why is this the case? • The data are not perfectly linear. The regression equation gives only an approximation of the actual value, not the exact value. The data are linear. The regression equation gives only an approximation of the actual value, not th exact value. The data are linear. The regression equation gives a more precise answer than the value from the ta The data are not perfectly linear. The regression equation gives a more precise answer than the valu from the table.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The following question consists the answers .If you will not mind i would like you to show me how we get to the answers.Please explain as much as you can.
Transcribed Image Text:The following table gives the total number of live Christmas trees sold, in millions, in the United States fr
2004 to 2011. (Source: Statista.com).
t = number of years since 2004
0
2
4
6
7
C = total number of Christmas trees
27.1 28.6 28.2
27
30.8
sold in the U.S. (in millions)
1. Use the TABLE to determine the number of live Christmas trees sold in the year 2008.
In 2008, there were approximately 28.2
million live Christmas trees sold in the U.S.
2. Determine the linear regression equation that models the set of data above. Use the indicated variable
and proper function notation. Round to the nearest hundredth as needed.C =
0.28t+ 27.28
3. Interpret the meaning of the slope of your (rounded) regression model.
From 2004 to 2011, the number of Christmas trees sold in the U.S. increased by approximately
million trees each year.
0.28
4. Use the REGRESSION EQUATION to determine the number of live Christmas trees sold in the year 2008
In 2008, there were approximately 28.40
million live Christmas trees sold in the U.S.
5. Your answers to parts 1 and 4 should be different. Why is this the case?
• The data are not perfectly linear. The regression equation gives only an approximation of the actual
value, not the exact value.
The data are linear. The regression equation gives only an approximation of the actual value, not th
exact value.
The data are linear. The regression equation gives a more precise answer than the value from the ta
The data are not perfectly linear. The regression equation gives a more precise answer than the valu
from the table.
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