Lesson: Scattergraphs

Mathematics

In this lesson, we will learn how to plot scatter graphs and determine if there is a linear relationship between the two variables.

Worksheet: 3 Questions

Q1:

Which of the following is not true about a scatterplot?

Q2:

The following observations measuring grade and reading level were taken for five students.

Grade	2	6	5	4	1
Reading Level	6	14	12	10	4

Which of the following scatterplots represents the given data?

What type of relationship does this correlation have?

Q3:

A study on ice cream car sales shows how the amount of ice cream sold is affected by the temperature on that day.

Temperature	13	14	15	17	18	19	20	22	23	24	25
Ice Cream Sales	190	210	320	300	400	410	420	520	500	540	600

Which of the following scatterplots represents the relation between ice cream sales and temperature?

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