Predictions From Data

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CCSS.5.OA.B.3

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If the hippo population trend continues, what will the population be in 2011?

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• 24

• 42

• 38

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CCSS.HSF.IF.A.2

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What is the line of best fit in a scatter plot primarily used for?

• To separate different groups of data

• To predict the value of one variable based on the value of another

• To calculate the exact values of all data points

• To create a boundary around all data points

How can you use a line of best fit to make predictions about data?

• By finding the average of all data points

• By drawing it through the highest and lowest points

• By using it to estimate values for one variable given values of the other

• By counting the number of points that touch the line

Which of the following scenarios is an example of using a scatter plot for making predictions?

• Calculating the exact value of a data point

• Estimating the sales based on advertising spend

• Counting the number of data points above the line of best fit

• Identifying the color of data points

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