ScatterPlots & Line of Best Fit

Front

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

Back

negative

Front

Based on a scatterplot showing the relationship between the number of absences and a student’s final exam score, what score should a student with 6 absences get? Options: 65, 92, 70, 76

Back

76

Front

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

Back

no correlation

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

Equation of the line of best fit?

Back

y = 30x

Front

Why was Trevor's conclusion about a positive correlation between class size and number of absences incorrect?

Back

The data show no relationship between class size and number of absences.

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

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

Front

Do the following data show a positive correlation, negative correlation, or no correlation?

Back

negative correlation

Front

In the scatter plot, does the image show a "Line of Best Fit"?

Back

No