8th Grade 8.1 Practice

8th Grade Math Section 8.1
Scatter Plots vs. Line Graph

MA.8.DP.1.1

Scatter Plots and Line Graphs

Scatter Plots and Line Graphs

​bivariate

​relationship

​over time

Multiple Choice

What type of Data Display is this?

• Line Plot

• Scatter Plot

• Bar Graph

• Pie Chart

Multiple Select

Line graphs are a good data display because...

• They represent a percentage of the whole data set.

• They enable the viewer to make predictions about the results of data not yet recorded & show the change over time.

Multiple Choice

What type of Data Display is this?

• Line Graph

• Histogram

• Scatter Plot

• Bar Graph

Multiple Select

Scatter plots are a good data display because...

• They show the percentage of the whole data set.

• They allow you to see a correlation or change between two sets of data points.

Multiple Choice

Is this data better represented by a scatter plot or line graph? Why?

• scatter plot

• line graph

• pie chart

• histogram

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Multiple Choice

Is a line graph or scatter plot more appropriate in the context given?

• Scatter Plot

• Line Graph

Multiple Choice

Is a line graph or scatter plot more appropriate in the context given?

• Scatter Plot

• Line Graph

Multiple Choice

What is the correlation between length of running start and distance of jump?

• positive:  the further you run the further you jump
• negative: the less you run the less distance of your jump
• positive: the further your running start the less your distance

Multiple Choice

Temperature outside and air conditioning bill

• positive correlation

• negative correlation

• no correlation

Multiple Choice

The age of a kitten and its weight.

• positive association
• negative association
• no association

Multiple Choice

Number of meals eaten and temperature outside

• positive correlation

• negative correlation

• no correlation

Multiple Choice

papers printed and the amount of ink left in the cartridge

• positive relationship

• negative relationship

• no correlation

Multiple Choice

The graph shows the cost of mailing a package based on its weight.  Which statement is true about the situation?

• The dependent variable is total cost
• The dependent variable is weight
• The independent variable is total cost
• The independent variable is cost of a package

Multiple Choice

The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?

• The more books students read, the lower their English grade.
• The more books students read, the higher their English grade.
• The fewer books students read, the higher their English grade. 
• No relationship exists between the number of books students read and their English grades. 

Multiple Choice

What does the x variable represent?

• The number of laps

• The amount of time in hours

• The amount of time in minutes

• How long it takes to go 0 laps

Multiple Choice

Based on the graph, if Joe earned $400, how many hours did he work?

• 25 hours
• 35 hours
• 45 hours
• 15 hours