DRAWING TREND LINES WORKSHEET

Problem 1 :

Lily is getting trained for a 10K race. For some of her training runs, she records the distance she ran and how many minutes she ran.

Draw a trend line that shows the relationship between distance and time. 

Problem 2 :

David records the number of chapters and the total number of pages for several books as given below. 

Draw a trend line that shows the relationship between the number of chapters and the number of pages.

Problem 3 :

Alex records the number of rainy days in a month and the number of umbrellas sold each month as given below.

Draw a trend line that shows the relationship between the number of rainy days in a month and the number of umbrellas sold each month. 

Detailed Answer Key

Problem 1 :

Lily is getting trained for a 10K race. For some of her training runs, she records the distance she ran and how many minutes she ran.

Draw a trend line that shows the relationship between distance and time. 

Solution : 

Step 1 :

Make a scatter plot of Lily’s running data.

Step 2 :

To draw a trend line, use a straight edge to draw a line that has about the same number of points above and below it. Ignore any outliers.

Problem 2 :

David records the number of chapters and the total number of pages for several books as given below. 

Draw a trend line that shows the relationship between the number of chapters and the number of pages.

Solution :

Step 1 :

Make a scatter plot of the data given above. 

Step 2 :

To draw a trend line, use a straight edge to draw a line that has about the same number of points above and below it. Ignore any outliers.

Problem 3 :

Alex records the number of rainy days in a month and the number of umbrellas sold each month as given below.

Draw a trend line that shows the relationship between the number of rainy days in a month and the number of umbrellas sold each month. 

Solution : 

Step 1 :

Make a scatter plot of the data given above. 

Step 2 :

To draw a trend line, use a straight edge to draw a line that has about the same number of points above and below it. Ignore any outliers.

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