Questions and Correct Answers 2025
predictive ,analytics ,- ,CORRECT ,ANSWER-what ,will ,happen
descriptive ,analytics ,- ,CORRECT ,ANSWER-What ,has ,happened?
correlation ,coefficient ,- ,CORRECT ,ANSWER-measure ,of ,linear ,relationship ,between
,2 ,variables, ,x ,and ,y, ,which ,doesn't ,depend ,on ,units ,of ,measurement
R ,squared ,- ,CORRECT ,ANSWER-the ,proportion ,of ,the ,total ,variation ,in ,a ,dependent
,variable ,explained ,by ,an ,independent ,variable
lurking ,variable ,- ,CORRECT ,ANSWER-unknown ,variable ,that ,hasnt ,been ,accounted
,for
equations ,- ,CORRECT ,ANSWER-actual-predicted
Multicollinearity ,- ,CORRECT ,ANSWER-independent ,variables ,are ,highly ,correlated
p-value ,> ,alpha ,- ,CORRECT ,ANSWER-fail ,to ,reject
p-value ,< ,alpha ,- ,CORRECT ,ANSWER-reject ,Ho
null ,hypothesis ,(HO) ,- ,CORRECT ,ANSWER-existing ,theory ,or ,belief, ,always
,assumed ,to ,be ,true
probability ,of ,confidence ,coefficent ,- ,CORRECT ,ANSWER-(not ,rejecting ,HO ,| ,HO ,is
,true)
critical ,value ,- ,CORRECT ,ANSWER-helps ,determine ,where ,the ,value ,falls
Type ,I ,error ,- ,CORRECT ,ANSWER-rejecting ,a ,true ,null ,hypothesis