The amounts of 6 restaurant bills and the corresponding amounts of the tips are given in the below. Assume that bill amount is the explanatory variable and tip amount the response variable. Bill 49.72 70.29 64.30 88.01 43,58 32.98 Tip 5.28 10.00 7.70 10.00 5.50 4.50 (a) Find the correlation: r = (b) Does there appear to be a significant correlation? O A. Yes OB. No (c) The regression equation is ŷ = (d) If the amount of the bill is $95, the best prediction for the amount of the tip is $ Note: Enter your answer as a number xx.xx (e) According to the regression equation, for every $5 increase in the bill, the tip should (Enter INCREASE or DECREASE) by $
The amounts of 6 restaurant bills and the corresponding amounts of the tips are given in the below. Assume that bill amount is the explanatory variable and tip amount the response variable. Bill 49.72 70.29 64.30 88.01 43,58 32.98 Tip 5.28 10.00 7.70 10.00 5.50 4.50 (a) Find the correlation: r = (b) Does there appear to be a significant correlation? O A. Yes OB. No (c) The regression equation is ŷ = (d) If the amount of the bill is $95, the best prediction for the amount of the tip is $ Note: Enter your answer as a number xx.xx (e) According to the regression equation, for every $5 increase in the bill, the tip should (Enter INCREASE or DECREASE) by $
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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