Line of best fit math 8

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

A student with 6 absences should get approximately what score on the final exam? Options: 65, 92, 70, 76

Back

76

Front

Based on the graph, if Joe earned $400, how many hours did he work? Options: 25 hours, 35 hours, 45 hours, 15 hours

Back

25 hours

Front

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

Back

no correlation

Front

Equation of the line of best fit?

Back

y = 30x

Front

Based on the trend line, about how many guests should be expected if the temperature is around 80 degrees? Options: 8,300, 7,300, 8, 9,300

Back

8,300

Front

Based on the line of best fit for the scatter plot, what is the cost of a 120-minute phone call? Options: $10, $12, $15, $20

Back

$12

Front

The equation of the trend line is y= 1/2x +1 How many laps can a bicycle make around the park in 11 minutes?

Back

20

Front

For which scatter plot would the line of best fit be represented by the equation y = ½x + 2? Options: Graph A, Graph B, Graph C, Graph D

Back

Graph A