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9.03 Lines of best fit

Interactive practice questions

Create a scatter plot for the set of data in the table.

$x$x $1$1 $3$3 $5$5 $7$7 $9$9
$y$y $3$3 $7$7 $11$11 $15$15 $19$19
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Easy
1min

Identify the type of correlation in the following scatter plot.

Easy
< 1min

Identify the type of correlation in the following scatter plot.

Easy
< 1min

Identify the type of correlation in the following scatter plot.

Easy
< 1min
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Outcomes

NC.8.SP.2

Model the relationship between bivariate quantitative data to: • Informally fit a straight line for a scatter plot that suggests a linear association. • Informally assess the model fit by judging the closeness of the data points to the line.

NC.8.SP.3

Use the equation of a linear model to solve problems in the context of bivariate quantitative data, interpreting the slope and �-intercept.

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