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Math  /  Data & Statistics

QuestionA researcher studied the relationship between the number of times a certain species of cricket will chirp in one minute and the temperature outside. Her data is expressed in the scatter plot and line of best fit below. Calculate the residual for the data point that corresponds to 70 chirps in one minute and a temperature of 56.3∘F56.3^{\circ} \mathrm{F}.

Studdy Solution
Calculate the residual for the data point (70, 56.3).
Residual=Observed value−Predicted value=56.3−56=0.3 \text{Residual} = \text{Observed value} - \text{Predicted value} = 56.3 - 56 = 0.3
The residual for the data point (70, 56.3) is:
0.3 \boxed{0.3}

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