Question

Students in a business class are studying the performance of XYZ Widgets over the past 6 years. This is a scatterplot of yearly sales and a linear model trend line of the data. Several students are predicting the performance of the company in year 7. Which of these is *not* a reasonable interpretation of the attached model?

Accepted Answer

Next year they will make 180 million dollars. They already had a really bad year and so they are due for a really good year.

Answer

The trend is slightly negative, so they will make about 138 million dollars.

Answer

The result 3 years ago is unusual for this company. Except for that year, they have been making about 140 million dollars each year and so that is what they will make next year.

Answer

They are showing steady growth after the problem year and so they should make about 150 million dollars.

Question 16 - 11th Grade Mathematics: Statistics and Probability Practice Test for the SBAC