Interactive practice questions
A bivariate data set has a line of best fit with equation $y=8.84x$y=8.84x.
Use this equation to calculate the value of $y$y when $x=7.68$x=7.68.
Easy
1min
A bivariate data set has a line of best fit with equation $y=-8.71x+6.79$y=−8.71x+6.79.
Predict the value of $y$y when $x=3.49$x=3.49.
Easy
1min
A bivariate data set has a line of best fit with equation $y=22.42x+2.93$y=22.42x+2.93.
Predict the value of $y$y when $x=0.26$x=0.26.
Easy
< 1min
A bivariate data set has a line of best fit with equation $y=-0.84x-0.19$y=−0.84x−0.19.
Predict the value of $y$y when $x=-43.15$x=−43.15.
Easy
1min
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