2-EDA-to-DM

# Tips are also something that we all confront in our

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Unformatted text preview: ot;#&*0@ +#,")%)-(U'",%)%)-V()\$#(ULV-(L+=)\$#(*F(9"#"( +)\$9(#*(=+&'9(1*9\$'@ .,/%\$,'%()()\$#(UVV-(L+=)\$#(+)\$9(F*%(1*9\$'( )\$'\$,#&*0("09(\$)#&1"#&0J(\$%%*%@ 0#1'()\$#(UTV-(L+=)\$#(4\$'9(*+#(#*("))\$))( 5\$%F*%1"0,\$(*F(_.^\`(1*9\$'@ Statistics 503, Spring 2013, ISU 7 +'('*6%-(4"(*T(T")(#4\$(9"#"(,*''\$,#\$9a( ?4"#(&)(=\$&0J(1\$")+%\$9("09(T4<a R&9(#4\$(9"#"("%&)\$(F%*1("(9\$)&J0\$9( \$;5\$%&1\$0#2()+%S\$<2(*%(=<(1"B&0J( *=)\$%S"#&*0)a 8 STAT 503 Case Study 1: Restaurant Tipping Dianne Cook, Statistics Department, Iowa State University 1 9 Description Food server’s tips in restaurants may be inﬂuenced by many factors including the nature of the restaurant, size of the party, table locations in the restaurant, ... To make appropriate assignments (which tables the food server waits on) for the food servers, restaurant managers need to know what these factors are. For the sake of staﬀ morale they must avoid either the substance or appearance of unfair treatment of the food servers, for whom tips are a major component of pay. In one restaurant, a food server recorded the following data on all customers they had served during a interval of two and a half months in early 1990. The restaurant, located in a suburban shopping mall, was one of a national chain and served a varied menu. In observance of local law the restaurant oﬀered seating in a non-smoking sections to patrons who requested it. The data was assigned to those days and during those times when the food server was routinely assigned to work. The data available are: TOTBILL TIP SEX SMOKER DAY TIME SIZE Total bill, including tax, in dollars Tip in dollars Sex of person paying bill (M, F) Smoker in party? (No, Yes) Thu, Fri, Sat, Sun Day, Night Size of the party The major question to be answered is “What factors aﬀect the tip rate?” The start of a case study needs a title, author, and a description of the data which gives the source, list of variables, reasons for coll...
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## This note was uploaded on 02/06/2014 for the course STAT 503 taught by Professor Staff during the Fall '08 term at Iowa State.

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