The Restaurant Tips data in StatKey produces the scatterplot and summary statistics below. SHOW WORK and use the screenshot of the data from StatKey below to answer questions 6) - 10).
Statkey Descriptive Statistics for Two Quantitative Variables
Summary Statistics imileh Narlazes
\table[[conistic,Eit!,T3],[Hear,22.725,5. 349],[51-dara Derlan=?,12:15%,2.421],[52->cjaye,157,],[Feratarat,$975,],[प्रका,7.15%,],[-
(1)/(c)opp
,大302:,]]
Scatterplos Contras
(2pts) Describe the strength and direction of the correlation.
(4pts) Write a linear regression equation in the form
widehat(Tip)=a+b
(Bill).
( 3 pts ) What would be the predicted tip for a restaurant bill of
$23.70
? Show work.
(4pts) A
$23.70
Bill in the data set gave a
$10.00
Tip. Calculate the residual for this bill. Did they tip higher or lower than what was expected?
(2pts) Describe the meaning of the slope in the context of this problem: