Line of Best Fit Predictions

Front

What is the equation of the line of best fit?

Back

y = -25x + 170

Front

What is the best prediction for the number of candies in the jar when 30 students visit her?

Back

135

Front

What kind of trend is shown from this scatterplot?

Back

positive correlation

Front

Predict the grade of a student that has 7 absences.

Back

60

Front

What is the equation of the line of best fit?

Back

y = -25x + 170

Front

Define 'line of best fit'.

Back

A line that best represents the data on a scatter plot, showing the trend of the data.

Front

What does a positive correlation indicate?

Back

As one variable increases, the other variable also increases.

Front

What does a negative correlation indicate?

Back

As one variable increases, the other variable decreases.

Front

How do you determine the slope of a line from its equation?

Back

The slope is the coefficient of x in the equation of the line.

Front

What is the y-intercept in the equation y = -25x + 170?

Back

170