WGU C784-STATISTICS MOD 4 FLASHCARDS
QUIZZES WITH CORRECT ANSWERS 2024 - 2025
Define,Mode,,ANS,-The,value,that,occurs,most,often,in,a,data,set
The,Mean,of,a,data,set,represents,the?,,ANS,-Average
Median,of,a,data,set,,ANS,-The,middle,value,of,the,data,set
What,are,the,two,types,of,variables,,ANS,-1),Quantitative,Variable,2),Categorical,Variable
Quantitative,variable,,ANS,-Quantitative,variable,-
,a,variable,that,takes,a,numerical,value,that,can,be,counted,or,measured.
Examples:,height,,weight,,age,,cholesterol,level,,exam,scores
Categorical,variable,,ANS,-Categorical,variable,-
,a,variable,that,is,not,measured;,it,is,a,"category",or,a,label;,it,places,the,individual,in,a,certain,group.
Examples:,gender,,months,of,the,year,,zip,codes
List,Two,Graphical,Displays,for,Categorical,Data,,ANS,-1),Pie,Charts,2),Bar,Charts
___________________,-,best,when,we,want,to,display,different,parts,of,a,whole,,ANS,-Pie,Charts.
_______________________,-,best,to,display,counts,or,frequencies,for,the,categories,,ANS,-Bar,Charts.
List,the,4,different,Graphical,Displays,for,Quantitative,Data,,ANS,-Dot,Plot,-
,Best,to,display,the,distribution,of,data,,particularly,clusters,,gaps,,and,outliers.,Most,useful,for,smaller,da
ta,sets.
, Stem,Plot,(or,Stem,and,Leaf,Plot),-
,Best,to,display,the,distribution,or,shape,of,data,according,to,place,values.,Keeps,information,about,indivi
dual,data,points.
Box,Plot,-,Best,to,display,the,center,,spread,,and,outliers,of,a,given,data,set.
Histogram,-
,Best,to,display,the,distribution,(shape,and,spread),of,quantitative,data.,Works,well,with,large,data,sets.
A,stem,plot,is,constructed,by,separating,each,data,value,into,a,stem,and,a,leaf.,The,leaf,is,the,__________
,most,digit,,and,the,stem,consists,of,all,of,the,digits,to,the,__________,of,the,leaf.,,ANS,-
A,stem,plot,is,constructed,by,separating,each,data,value,into,a,stem,and,a,leaf.,The,leaf,is,the,right,most,di
git,,and,the,stem,consists,of,all,of,the,digits,to,the,left,of,the,leaf.
Note:,Represent,each,number,that,is,in,the,ones,place,from,the,list,of,numbers.,By,doing,this,the,stems,wi
ll,consist,of,ones,,twos,,threes,,and,fours.,Next,list,the,leafs,by,taking,the,digit,to,the,right,and,writing,it,wi
thin,the,coloumn/stem,that,matches,the,ones,place,holder,of,the,number.,Example,31,the,ones,place/,ste
m,is,"3",the,Leaf,which,is,to,the,right,of,the,number,is,"1".
After,listing,all,stems,and,leafs.,Re-arrange,them,in,increasing,order.
If,the,list,of,numbers,is,long,or,big,you,can,split,the,stem,and,leaf,into,two,sets.,Ex.,the,first,stem,set,of,1,wi
ll,list,any,leafs,1-5,while,the,second,stem,leaf,set,can,list,any,leafs,6-9.,See,thirs,graph,for,illustration
What,4,analysis,are,needed,to,describe,a,distribution,,ANS,-1.,The,shape,of,the,graphical,display
2.,The,center,and,spread,of,the,data
3.,The,maximum,and,minimum,values
4.,Any,values,that,could,be,outliers
What,are,the,Numerical,Measures,of,Center,,ANS,-Mean:,"Average"
Median:,"Middle"
Mode:,"Most,frequently,occurring"
QUIZZES WITH CORRECT ANSWERS 2024 - 2025
Define,Mode,,ANS,-The,value,that,occurs,most,often,in,a,data,set
The,Mean,of,a,data,set,represents,the?,,ANS,-Average
Median,of,a,data,set,,ANS,-The,middle,value,of,the,data,set
What,are,the,two,types,of,variables,,ANS,-1),Quantitative,Variable,2),Categorical,Variable
Quantitative,variable,,ANS,-Quantitative,variable,-
,a,variable,that,takes,a,numerical,value,that,can,be,counted,or,measured.
Examples:,height,,weight,,age,,cholesterol,level,,exam,scores
Categorical,variable,,ANS,-Categorical,variable,-
,a,variable,that,is,not,measured;,it,is,a,"category",or,a,label;,it,places,the,individual,in,a,certain,group.
Examples:,gender,,months,of,the,year,,zip,codes
List,Two,Graphical,Displays,for,Categorical,Data,,ANS,-1),Pie,Charts,2),Bar,Charts
___________________,-,best,when,we,want,to,display,different,parts,of,a,whole,,ANS,-Pie,Charts.
_______________________,-,best,to,display,counts,or,frequencies,for,the,categories,,ANS,-Bar,Charts.
List,the,4,different,Graphical,Displays,for,Quantitative,Data,,ANS,-Dot,Plot,-
,Best,to,display,the,distribution,of,data,,particularly,clusters,,gaps,,and,outliers.,Most,useful,for,smaller,da
ta,sets.
, Stem,Plot,(or,Stem,and,Leaf,Plot),-
,Best,to,display,the,distribution,or,shape,of,data,according,to,place,values.,Keeps,information,about,indivi
dual,data,points.
Box,Plot,-,Best,to,display,the,center,,spread,,and,outliers,of,a,given,data,set.
Histogram,-
,Best,to,display,the,distribution,(shape,and,spread),of,quantitative,data.,Works,well,with,large,data,sets.
A,stem,plot,is,constructed,by,separating,each,data,value,into,a,stem,and,a,leaf.,The,leaf,is,the,__________
,most,digit,,and,the,stem,consists,of,all,of,the,digits,to,the,__________,of,the,leaf.,,ANS,-
A,stem,plot,is,constructed,by,separating,each,data,value,into,a,stem,and,a,leaf.,The,leaf,is,the,right,most,di
git,,and,the,stem,consists,of,all,of,the,digits,to,the,left,of,the,leaf.
Note:,Represent,each,number,that,is,in,the,ones,place,from,the,list,of,numbers.,By,doing,this,the,stems,wi
ll,consist,of,ones,,twos,,threes,,and,fours.,Next,list,the,leafs,by,taking,the,digit,to,the,right,and,writing,it,wi
thin,the,coloumn/stem,that,matches,the,ones,place,holder,of,the,number.,Example,31,the,ones,place/,ste
m,is,"3",the,Leaf,which,is,to,the,right,of,the,number,is,"1".
After,listing,all,stems,and,leafs.,Re-arrange,them,in,increasing,order.
If,the,list,of,numbers,is,long,or,big,you,can,split,the,stem,and,leaf,into,two,sets.,Ex.,the,first,stem,set,of,1,wi
ll,list,any,leafs,1-5,while,the,second,stem,leaf,set,can,list,any,leafs,6-9.,See,thirs,graph,for,illustration
What,4,analysis,are,needed,to,describe,a,distribution,,ANS,-1.,The,shape,of,the,graphical,display
2.,The,center,and,spread,of,the,data
3.,The,maximum,and,minimum,values
4.,Any,values,that,could,be,outliers
What,are,the,Numerical,Measures,of,Center,,ANS,-Mean:,"Average"
Median:,"Middle"
Mode:,"Most,frequently,occurring"
