Scatterplot Trend Line

Based on the provided trendline how many chapters would a 20 page book have?

• 2

• 200

• 4

• 40

Which scatterplot suggests a linear relationship between x and y?

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The scatterplot shows the relationship between the number of games a baseball team won in a season and the number of hours the team practiced each week during the season. Based on the scatterplot, which is the best prediction of the number of games a baseball team won if the team practiced 3 hours each week during the season.

• 10 games

• 20 games

• 13 games

• 15 games

The scatterplot shows the height in centimeters and weight in kilograms of several students. Based on the scatterplot, which is the best prediction of the height in centimeters of a student with a weight of 64 kilograms?

• 152 cm

• 160 cm

• 162 cm

• 156 cm

The scatterplot shows the relationship between the number of nights spent in a hotel and the total cost for the hotel. Which conclusion is best supported by the scatterplot?

• As the number of nights spent in a hotel increases, the total cost for the hotel increases.

• As the number of nights spent in a hotel increases, the total cost for the hotel decreases.

• As the number of nights spent in a hotel increases, the total cost for the hotel remains the same.

• There is no relationship between the number of nights spent in a hotel and the total cost for the hotel.

A math teacher observed that as the number of hours students studied their multiplication facts increased, the number of errors the students made on their multiplication tests decreased. Which scatterplot could support this teacher's observation?

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Which of the following lines represents the line of best fit for the scatter plot?

• A

• B

• C

• D

What is shown here? (click to remove words)

• trend line

• linear regression

• no correlation

• positive correlation

a trend line that shows the most accurate relationship between x and y.

• linear regression

• no correlation

• trend line

• line of best fit

As x increases, y increases

• correlation coefficient

• causation

• positive correlation

• negative correlation