Making Predictions Answers

Pedro created a scatterplot and a trend line for data that he collected by comparing the number of minutes playing a game and the number of levels passed. Video Game Based on the information shown, which is the best prediction for the number of levels passed after playing for 20 minutes?

Bryce wrote the linear regression equation to predict the armspan, y, of a person who is x inches tall. Riley has an armspan of 67.5 inches. Which is the best prediction of Riley’s height?

The equation y = 0.625x – 2.7 can be used to predict the number of minutes, y, it takes Kahlil to check x emails. On Monday, Kahlil spent 25 minutes checking emails. On Tuesday, he checked 35 emails. Which is an accurate comparison?

Xavier created a scatterplot and a trend line for data that he collected by comparing the number of minutes he spent playing a game and the number of levels he passed. Video GameAccording to the graph, which combination of minutes played and levels passed seem most likely to be possible?

For the data that are shown on the graph below, which best describes within which range of x-values extrapolation occurs?

The equation y = 9.56x + 495.35 represents the number of calories, y, consumed in one day based on a person’s weight, x. Jill consumes 1850 calories daily. Jaxon weighs 120 pounds. Which is an accurate comparison?

Steven created the scatterplot and trend line below to model the relationship between the number of innings he pitched and the number of pitches he threw in a baseball game. Baseball PitchesIf Steven threw 87 pitches, about how many innings did he pitch?

An employer uses the linear regression equation to predict the weekly salary, y, of an employee who sells x dollars worth of merchandise. Last week, Joaquin sold $1500 worth of merchandise. The same week, Alex earned $650. Using the regression equation, which is an accurate comparison?

Angelique makes beaded jewelry. The graph below shows the number of beads on varying cord lengths.JewelryA necklace contains 88 beads. Based on the information above, which is the best estimate for the cord length?

Antonia recorded the number of cups of hot chocolate that were sold at soccer games compared to the outside temperature. The graph below represents her data.Hot Chocolate SalesFor which temperature would the prediction of the number of cups sold be an interpolation?