Question

Asked Jan 17, 2020

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Topsoil The Dirt Guy Topsoil company in Durham, CT, sells (you guessed it) topsoil. It is sold by the “yard,” which is actually a cubic yard, and the variable x is the length (yd) of each side of a cube of topsoil.

Step 1

In this case, we need to construct the scatterplot for linear, quadratic, logarithmic, exponential, and power models. Also, identify mathematical model that best fits the given data.

Step 2

Step-by-step procedure to construct the scatterplot for linear model using the Excel is as follows:

- Select the column containing
**X and Cost**. - Choose
**Insert > Scatter**. - In
**Scatter**, choose**Scatter with only markers**. - Select the points in the Scatterplot and then Right click, choose
**Add Trendline**. - In the
**Trendline Options**, Select**Linear**. - Check
**Display Equation on chart**and**Display R-squared value on chart**.

Output using the Excel is given below:

* *

Step 3

Step-by-step procedure to construct the scatterplot for quadratic model using the Excel is as follows:

- Select the column containing
**X and Cost**. - Choose
**Insert > Scatter**. - In
**Scatter**, choose**Scatter with only markers**. - Select the points in the Scatterplot and then Right click, choose
**Add Trendline**. - In the
**Trendline Options**, S...

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