Residuals

A jug can fill 8 glasses.

How many can half a jug fill?

(a)  

A jug can fill 8 glasses.

How many can two and a half a jug fill?

(a)  

A jug can holds lemonade.

The volume of lemonade can be measured in...

• dollars

• grams

• ml

• degrees

What is the regression equation for the lemonade stand dataset?

• Revenue = 1.84 Revenue - 14.1

• Revenue = 1.84 Temperature - 14.1

• Temperature = 1.84 Revenue - 14.1

What is the residual?

• The predicted value minus the observed value.

• The observed value minus the predicted value.

• The temperature minus the revenue.

Each point represents ....

• a lemon

• a day

What goes on the y-axis?

• predicted values

• residuals

• regression line

According to the reading, if a residual has a positive value, what does that mean?

• the prediction was too low

• the prediction was too high

On a day with a temperature of 30.7 ⁰ C, the actual revenue was $50.

What was the predicted revenue based on the model?

• $42.39

• $50

• $7.61

On a day with a temperature of 30.7 ⁰ C, the actual revenue was $50. The predicted revenue was $42.39.

What was the residual?

• $42.39

• $50

• $7.61

• 30.7 ⁰ C