STAT150 Lecture Notes - Lecture 2: 3E, Standard Deviation, Interquartile Range

• School: Macquarie University
• Department: Statistics
• Course: STAT150
• Professor: Petra Graham

Document Summary

Quiz 1: number of total customers in 2013 discrete, market unit (cid:894)o(cid:396)de(cid:396) does(cid:374)(cid:859)t (cid:373)atte(cid:396)(cid:895) nominal, resident satisfaction (the order of categories matters) ordinal, revenue continuous, profit continuous. Is there an association between gender and employment status for young australians: outcome variable employment status, determinant (predictor) variable gender. Target: all people living in nsw: blood type representative, weekly rent/mortgage not representative, political preference not representative, general health (good/moderate/poor) controversial. Graphs: title, axes, explanatory comment, clear and uncluttered. Frequency table: variable name, name of each category, the count, proportion and/or, percentage of observations in each category, show the total sample size (n) Contingency table: sometimes interest is in whether the responses on one variable are contingent on another variable, su(cid:373)(cid:373)a(cid:396)ies f(cid:396)o(cid:373) i(cid:374)di(cid:448)idual f(cid:396)e(cid:395)ue(cid:374)(cid:272)y ta(cid:271)les do(cid:374)(cid:859)t tell us a(cid:271)out the (cid:396)elatio(cid:374)ship between two associated variables. In this situation we need to create a contingency table. Opinion on live betting t n u o.