Hugo's bill for dinner at a restaurant was $16. He left a 15% tip. What was the amount of
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The value of a = 2.17 and b = 1.95.
<h3>What is regression line?</h3>A regression line is a graphic representation of the regression equation expressing the hypothesized relationship between an outcome or dependent variable and one or more predictors or independent variables;
y=
Correlation:
r=0.964
R-squared:
r²=0.9292
Hence, value of a and b is 2.17 and 1.95.
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