D514 Exam prep questions with correct answers

D514 /




Exam prep questions with correct answers
/ // // // // //




Nominal //data //- //CORRECT //ANSWERS(S)✔✔names, //labels, //or //distinguishing //numbers

ex: //gender, //hair //color, //zip //code



Ordinal //data //- //CORRECT //ANSWERS(S)✔✔order //or //rank

ex: //satisfaction //survey



Discrete //data //- //CORRECT //ANSWERS(S)✔✔usually //expressed //by //a //whole //number

ex: //number //of //children //in //a //family



Continuous //data //- //CORRECT //ANSWERS(S)✔✔measured //to //the //nearest

ex: //body //temperature, //weight, //height



t-
test //- /
/CORRECT /


/ANSWERS(S)✔✔applies //two //different //interventions //on //subjects //split //into //two //groups //




ex: /
/100 /


/patients /


/with /


/chronic /


/migraines, /


/one //group //receives //pharmaceutical //intervention //and //the //other //receives //injections

, chi-
square //- /
/CORRECT /


/ANSWERS(S)✔✔looks /


/for /


/relationships //between //categorical //variables. //you //cannot //put //the //variables //into //an //order




ex: //relationship //between //depression //and //cardiac //event



ANOVA //- /
/CORRECT /


/ANSWERS(S)✔✔compares /


/more //than //two //"like" //groups //using //same //different //interventions




ex: /
/anterior /


/knee //pain. //one //group //uses //ice //pack //to //reduce //pain //and //another //receives //an //ultrasound


//three //times //a //week, //and //another //takes //500 //mg //Advil //daily




Wilcoxon //Signed-Rank //test //- //CORRECT //ANSWERS(S)✔✔looks //for //differences //between //two
//sets //of //scores //with //the //same //participants.




ex: /
/men /


/with /


/lung /


/cancer /


/who /


/see /


/the //same //oncologists //or //women //with //lung //cancer //who //are //tested //every //six //months.