The Nutria is a type of rodent that is considered an invasive species in California. The population of Nutria in the Central Valley has been on the rise in recent years and they have been destroying...


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The Nutria is a type of rodent that is considered an invasive species in California. The<br>population of Nutria in the Central Valley has been on the rise in recent years and they have<br>been destroying crops, vegetation, and marshes. Their destruction has been recorded on the<br>coastal areas of the state for many years. Below are the data of the number of sites where<br>Nutria populations were found and the total number of acres of vegetation that were destroyed,<br>in thousands of acres. The data are displayed in the table below.<br>Number of<br>Acres<br>А.<br>Display the data in a scatterplot.<br>Destroyed<br>(1,000s)<br>Sites<br>94<br>21.1<br>84<br>21.8<br>69<br>16.9<br>49<br>14.3<br>21<br>14.9<br>23<br>9.2<br>23<br>6.2<br>19<br>5.4<br>11<br>2.3<br>10<br>1,7<br>企<br>1.6<br>11<br>12<br>Number of Sites<br>B. Describe the association in context.<br>C. Determine the linear regression model (equation). Write the explanatory and response<br>variables in context.<br>D. Explain (in context) what the slope of the line means.<br>E. Explain (in context) what the y-intercept of the line means.<br>F. Compute r2 and explain the meaning in context.<br>G. Calculate the residual for the year where 21 sites were found with Nutria.<br>Acres (1,000s)<br>

Extracted text: The Nutria is a type of rodent that is considered an invasive species in California. The population of Nutria in the Central Valley has been on the rise in recent years and they have been destroying crops, vegetation, and marshes. Their destruction has been recorded on the coastal areas of the state for many years. Below are the data of the number of sites where Nutria populations were found and the total number of acres of vegetation that were destroyed, in thousands of acres. The data are displayed in the table below. Number of Acres А. Display the data in a scatterplot. Destroyed (1,000s) Sites 94 21.1 84 21.8 69 16.9 49 14.3 21 14.9 23 9.2 23 6.2 19 5.4 11 2.3 10 1,7 企 1.6 11 12 Number of Sites B. Describe the association in context. C. Determine the linear regression model (equation). Write the explanatory and response variables in context. D. Explain (in context) what the slope of the line means. E. Explain (in context) what the y-intercept of the line means. F. Compute r2 and explain the meaning in context. G. Calculate the residual for the year where 21 sites were found with Nutria. Acres (1,000s)

Jun 03, 2022
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