Worksheet: Scattergraphs

In this worksheet, we will practice plotting scatter graphs and determine if there is a linear relationship between the two variables.

Q1:

Which of the following is not true about a scatterplot?

  • AA scatterplot is a visual representation of two variables that are both quantitative.
  • BA scatterplot is used to interpret the relationship between variables.
  • CA scatterplot consists of plotted points that allow you to see the distribution of data.
  • DA scatterplot is a visual representation of two variables that are both qualitative.

Q2:

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

Grade26541
Reading Level61412104

Which of the following scatterplots represents the given data?

  • A
  • B
  • C
  • D
  • E

What type of relationship does this correlation have?

  • ANonlinear relation
  • BLinear relation

Q3:

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

Temperature1314151718192022232425
Ice Cream Sales190210320300400410420520500540600

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

  • A
  • B
  • C
  • D
  • E

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