Electric Car Sales

An electric car is a great way to save a lot of money on gas. The chart below contains data about the sales of electric cars in the U.S. from 2011, the first year electric cars were commercialized, through 2016.

Two columns. Year 2011, Number of Electoric Cars Sold 8,000. Year 2012, Number of Electoric Cars Sold 52,000. Year 2013, Number of Electoric Cars Sold 96,000. Year 2014, Number of Electoric Cars Sold 120,000. Year 2015, Number of Electoric Cars Sold 115,000. Year 2016, Number of Electoric Cars Sold 159,000.

Question 1
(a) Construct a scatterplot for the data provided to represent the number of electric cars sold each year. Be sure to number and label your axes, and explain any choices you made in scaling your graph.

Upload an image of your response by clicking “Upload files” or by dragging and dropping your file into the box. Or use your device’s camera to take a photo of your work by clicking the camera icon.

b) Estimate a good line of fit for these data. What is the meaning of the slope and vertical axis intercept you have estimated in the context of the problem?

Upload an image of your response by clicking “Upload files” or by dragging and dropping your file into the box. Or use your device’s camera to take a photo of your work by clicking the camera icon.
(c) Writers in automotive magazines have created nicknames for the following years:

2014–15: “the year of the slide”

2015–16: “the year of the comeback”

Explain the meaning of these nicknames within the context of the data. Use your graph to explain the general trend in electric car sales from 2011 through 2016.

Upload an image of your response by clicking “Upload files” or by dragging and dropping your file into the box. Or use your device’s camera to take a photo of your work by clicking the camera icon.
(d) Use your linear model from part (b) to predict in what calendar year the number of electric cars sold will reach 300,000.

Upload an image of your response by clicking “Upload files” or by dragging and dropping your file into the box. Or use your device’s camera to take a photo of your work by clicking the camera icon.
HURRY I WILL CASHAP YOU 30 IF THIS IS DONE CORECTLY