WGU C784-STATISTICS MOD 5 QUESTIONS
WITH CORRECT ANSWERS 2025/2026
The Uaffected Uvariable Uis Ucalled Uthe U variable*. U- UCORRECT UANSWER U-
When UoneJvariable Ucauses UchangeJin Uanother, Uwe Ucall Uthe Ufirst Uvariable Uthe Uexplanatory Uvariable*.
The Uaffected Uvariable Uis Ucalled Uthe UresponseJvariable*.
In Ua Urandomized Uexperiment, Uthe Uresearcher Umanipulates UvaluesJof Uthe Uexplanatory Uvariable
Uand UmeasuresJt Uhe Uresulting Uchanges Uin Uthe Uresponse Uvariable. UThe Udifferent Uvalues Uof Uthe
Uexplanatory Uvariable Uare Ucalled Utre Uatments. UAn Uexperimental Uunit UisJa Usingle UobjectJor
Uindividual Uto UbeJmeasured.
AJtwo-way Utable, Ualso Uknown Uas Ua Utwo-
way Ufrequency Utable Uor Ucontingency Utable, Uis Uused Uto Ushow Uthe Urelationship Ubetween Utwo U
variables U( UC→C U); Uthe Urows Ushow Uthe Ucategories Uof Uone Uvariable, Uand Uthe Ucolumns
Ushow Uthe Ucategori Ues Uof Uthe Uother Uvariable. U- UCORRECT UANSWER U-categorical Uvariables U(
UC→C U)
. UThese Urepresent Uthe Utotal Unumber Uof Uinstances Uthat Ufall Uin Uboth
Uthe Ucorrespondi Ung Urow Uand Uheader.
The Udata Uin Uthe Ugreen Ucells Ushow U . UThese Uare Uequal Uto Uthe Usum
Uof Uthe Un Uumber Uof Uindividuals Uin Uthe Ucorresponding Urow Uor Ucolumn. U- UCORRECT UANSWER U-
The Ucells Uin Uyellow Ushow Ujoint Ufrequencies*. UThese Urepresent Uthe Utotal Unumber Uof Uinstances
Uthat Ufall Uin Uboth Ut Uhe Ucorresponding Urow Uand Uheader.
For Uexample, Udata Uin Uthe U"Male" Urow Uand U"With UAutism" Ucolumn Ucounts Uthe Unumber Uof Umales
Uwith Uautism.
The Udata Uin Uthe Ugreen Ucells Ushow Umarginal Ufrequencies*. UThese Uare Uequal Uto Uthe Usum Uof
UtheJnumber Uof Uindivid Uuals Uin Uthe Ucorresponding Urow Uor Ucolumn. UFor Uexample, Udata Uin Uthe
U"Totals" Ucolumn Uand U"Female" Urow Ushows Uthe Utotal Unumber Uof UfemalesJin Uthe Ustudy. UIt Umay
Ube Uhelpful Uto Uremember Uthat Umarginal UfrequenciesJappear Uin UtheJmarginsJof Uthe Utable.
, The Ubottom, UrightJcell U(in Uboth Uthe U"Totals" Ucolumn Uand Uthe U"Totals" Urow) Umeasures Uthe Utotal
Unumber Uof Uindivi UdualsJin Uthe Ustudy.
The Urelationship Ubetween Utwo Uvariables Uthat Uare Uboth Uquantitative Ucan Ube Udisplayed Uin Ua U
. U-JCORRECT UANSWER U-scatterplot;
As Uwe've Useen Uearlier, Uevery UpointJon Ua Ucoordinate Uplane Ucan Ube Urepresented Uby Uan Uordered
Upair*, U( UxJ, Uy U). UHer Ue, Uthe Ux U-value Uis Utypically Uthe U variable's UvalueJfor Ua Upiece Uof
Udata, Uand Uthe Uy U-
value Uis Uthe Ucorresponding Uvalue Ufor Uthe U variable. UAJsimple Uway Uto
Uremember Ut UhisJfact Uis Uthat Uthe Uterm U"explanatory" Uhas Uan U" Ux U" Uin Uit. U- UCORRECT
UANSWER U-
explanatory Uvariable; Uresponse Uvariable
Side-by-side Ubox UplotsJare Ua Ugood Uchoice Ufor Utwo-
variable Udata Uwhere Uthe Uexplanatory Uvariable Uis U data Uand Uthe Uresponse Uvariable Uis U
data. U-JCORRECT UANSWER U-Categorical
Quantitative
Which Uvariable, Uexplanatory Uor Uresponse, Uis Udisplayed Uon Uthe Ux U-axis Uon Uside-by-side
Uboxplots? U- UCORRECT UANSWER U-Side-by-
side Uboxplots Ucan Ube Uhorizontal Uor Uvertical, Uso Ueither Uvariable U(explanatory Uor Uresponse) Ucan
Ube Udisplayed Uon Ut Uhe Ux U-axis.
A Uscatterplot Uis Ua Ugood Uchoice Uto Udisplay Utwo-variable Udata Uthat Uare Uboth U
variables.
U- UCORRECT UANSWER U-Quantitative
The Urelationship Ubetween Uthe Ux U-variable Uand Uthe Uy U-variable Uis Ucalled U . U- UCORRECT
UANSWER U- UCorrelation
What Udetermines Uthe Ulocation Uof Ua Udot Uon Ua Uscatterplot? U- UCORRECT UANSWER U-
A Udot Uis Uplaced Uon Ua Uscatterplot
Uaccording Uto Uits Ux U- Uand Uy U-value.
WITH CORRECT ANSWERS 2025/2026
The Uaffected Uvariable Uis Ucalled Uthe U variable*. U- UCORRECT UANSWER U-
When UoneJvariable Ucauses UchangeJin Uanother, Uwe Ucall Uthe Ufirst Uvariable Uthe Uexplanatory Uvariable*.
The Uaffected Uvariable Uis Ucalled Uthe UresponseJvariable*.
In Ua Urandomized Uexperiment, Uthe Uresearcher Umanipulates UvaluesJof Uthe Uexplanatory Uvariable
Uand UmeasuresJt Uhe Uresulting Uchanges Uin Uthe Uresponse Uvariable. UThe Udifferent Uvalues Uof Uthe
Uexplanatory Uvariable Uare Ucalled Utre Uatments. UAn Uexperimental Uunit UisJa Usingle UobjectJor
Uindividual Uto UbeJmeasured.
AJtwo-way Utable, Ualso Uknown Uas Ua Utwo-
way Ufrequency Utable Uor Ucontingency Utable, Uis Uused Uto Ushow Uthe Urelationship Ubetween Utwo U
variables U( UC→C U); Uthe Urows Ushow Uthe Ucategories Uof Uone Uvariable, Uand Uthe Ucolumns
Ushow Uthe Ucategori Ues Uof Uthe Uother Uvariable. U- UCORRECT UANSWER U-categorical Uvariables U(
UC→C U)
. UThese Urepresent Uthe Utotal Unumber Uof Uinstances Uthat Ufall Uin Uboth
Uthe Ucorrespondi Ung Urow Uand Uheader.
The Udata Uin Uthe Ugreen Ucells Ushow U . UThese Uare Uequal Uto Uthe Usum
Uof Uthe Un Uumber Uof Uindividuals Uin Uthe Ucorresponding Urow Uor Ucolumn. U- UCORRECT UANSWER U-
The Ucells Uin Uyellow Ushow Ujoint Ufrequencies*. UThese Urepresent Uthe Utotal Unumber Uof Uinstances
Uthat Ufall Uin Uboth Ut Uhe Ucorresponding Urow Uand Uheader.
For Uexample, Udata Uin Uthe U"Male" Urow Uand U"With UAutism" Ucolumn Ucounts Uthe Unumber Uof Umales
Uwith Uautism.
The Udata Uin Uthe Ugreen Ucells Ushow Umarginal Ufrequencies*. UThese Uare Uequal Uto Uthe Usum Uof
UtheJnumber Uof Uindivid Uuals Uin Uthe Ucorresponding Urow Uor Ucolumn. UFor Uexample, Udata Uin Uthe
U"Totals" Ucolumn Uand U"Female" Urow Ushows Uthe Utotal Unumber Uof UfemalesJin Uthe Ustudy. UIt Umay
Ube Uhelpful Uto Uremember Uthat Umarginal UfrequenciesJappear Uin UtheJmarginsJof Uthe Utable.
, The Ubottom, UrightJcell U(in Uboth Uthe U"Totals" Ucolumn Uand Uthe U"Totals" Urow) Umeasures Uthe Utotal
Unumber Uof Uindivi UdualsJin Uthe Ustudy.
The Urelationship Ubetween Utwo Uvariables Uthat Uare Uboth Uquantitative Ucan Ube Udisplayed Uin Ua U
. U-JCORRECT UANSWER U-scatterplot;
As Uwe've Useen Uearlier, Uevery UpointJon Ua Ucoordinate Uplane Ucan Ube Urepresented Uby Uan Uordered
Upair*, U( UxJ, Uy U). UHer Ue, Uthe Ux U-value Uis Utypically Uthe U variable's UvalueJfor Ua Upiece Uof
Udata, Uand Uthe Uy U-
value Uis Uthe Ucorresponding Uvalue Ufor Uthe U variable. UAJsimple Uway Uto
Uremember Ut UhisJfact Uis Uthat Uthe Uterm U"explanatory" Uhas Uan U" Ux U" Uin Uit. U- UCORRECT
UANSWER U-
explanatory Uvariable; Uresponse Uvariable
Side-by-side Ubox UplotsJare Ua Ugood Uchoice Ufor Utwo-
variable Udata Uwhere Uthe Uexplanatory Uvariable Uis U data Uand Uthe Uresponse Uvariable Uis U
data. U-JCORRECT UANSWER U-Categorical
Quantitative
Which Uvariable, Uexplanatory Uor Uresponse, Uis Udisplayed Uon Uthe Ux U-axis Uon Uside-by-side
Uboxplots? U- UCORRECT UANSWER U-Side-by-
side Uboxplots Ucan Ube Uhorizontal Uor Uvertical, Uso Ueither Uvariable U(explanatory Uor Uresponse) Ucan
Ube Udisplayed Uon Ut Uhe Ux U-axis.
A Uscatterplot Uis Ua Ugood Uchoice Uto Udisplay Utwo-variable Udata Uthat Uare Uboth U
variables.
U- UCORRECT UANSWER U-Quantitative
The Urelationship Ubetween Uthe Ux U-variable Uand Uthe Uy U-variable Uis Ucalled U . U- UCORRECT
UANSWER U- UCorrelation
What Udetermines Uthe Ulocation Uof Ua Udot Uon Ua Uscatterplot? U- UCORRECT UANSWER U-
A Udot Uis Uplaced Uon Ua Uscatterplot
Uaccording Uto Uits Ux U- Uand Uy U-value.