Scatterplots and Line of Best Fit

Front

Predict the number of chapters in a book with 180 pages using the trend line from a scatter plot showing the relationship between chapters and pages.

Back

18 chapters

Front

What type of correlation does this scatter plot show? Options: positive, negative, no correlation, nonlinear association

Back

negative

Front

What is the type of correlation? Options: Negative, no correlation, positive

Back

no correlation

Front

Select the statement that best describes the line.

Back

The line is NOT a line of best fit because it does not go through the middle of the data set.

Front

Which line represents the line of best fit for the scatter plot? Options: A, B, C, D

Back

C

Front

Which sentence describes the relationship shown on this scatter plot? Options: As the temperature decreases, the visitors increase. , As the temperature increases, the number of visitors increases. , As the visitors increase, the temperature decreases. , No correlation

Back

As the temperature increases, the number of visitors increases.

Front

What is the best prediction for the number of candies in the jar when 30 students visit her? Options: 90, 180, 135, 150

Back

135

Front

Possible line of best fit for the data: y = -5/2x + 20, y = -x + 19, y = x + 20, y = 2/3x + 15

Back

y = -5/2x + 20

Front

Predict the number of coats sold when the average temperature outside is 20° using the equation C = -3T + 150.

Back

90

Front

Suppose a LINE OF BEST FIT passes through the points (4, 8) and (6, 2). The SLOPE of this line is . . .?

Back

-3