Statistics Objective Assessment #1
Questions And Answers
Given bthe bfollowing bset bof bnumbers: b3.3, b-2.3, b-16, b25. bWhat bare bthe bsquare
broots bof bthe bwhole bnumber?
A. b+/- b2.3
B. b+/- b3.3
C. b+/- b4
D. b+/- b5 b- bcorrect banswers✔✔D. b+/- b5
Composite bNumber b- bcorrect banswers✔✔A bnumber bwith bmore bfactors bthat bjust
bone band bitself.
Equivalent bFractions b- bcorrect banswers✔✔Different bfractions bthat brepresent bthe
bsame bvalue.
X-Axis b- bcorrect banswers✔✔The bhorizontal bline bthat bpasses bthrough bthe borigin bon
ba bcoordinate bplane.
Qualitative bData b- bcorrect banswers✔✔Non-numeric binformation bbased bon bsome
bquality bor bcharacteristic.
No bCorrelation b- bcorrect banswers✔✔There bis bno bapparent boverall btrend bbetween
bthe btwo bvariables. bIf bthe bcorrelation bcoefficient bis b0, bthis bonly brules bout ba blinear
btrend. bThere bcould bbe ba bnon-linear bor bcurvilinear btrend.
Extrapolate b- bcorrect banswers✔✔Using binformation bfrom ba bdata bset bto bmake
bpredictions babout bdata boutside bof bthe boriginal bset.
Event b- bcorrect banswers✔✔An boutcome, bor bset bof boutcomes, bwhose bchance bof
boccurrence bcan bbe brepresented bwith ba bprobability.
Given bthe bfollowing bset bof bnumbers: b10, b2.5, b-4, b-4.5, b5. bWhat bis bthe bsum bwhen
badding btogether bonly bthe bwhole bnumbers?
A. b5.5
, B. b11
C. b12.5
D. b15 b- bcorrect banswers✔✔D. b15
Operation b- bcorrect banswers✔✔In bMathematics, ban boperation bis ba bprocedure
bwhich bgenerates ba bnew bvalue bfrom bone bor bmore boperands, bor bMathematical
bvalues.
Conditional bProportion b- bcorrect banswers✔✔A bproportion bwhere bone bpart bof bthe
bproportion bis ba bvariable, bor bunknown bquantity.
Coefficients b- bcorrect banswers✔✔A bnumber bby bwhich ba bnumber bis bmultiplied. bThis
bnumber bis bwritten bin bfront bof bthe bvariable(s).
Mean b- bcorrect banswers✔✔Average, bcalculated bby badding ba bseries bof belements bin
ba bdata bset btogether band bdividing bby bthe btotal bnumber bin bthe bseries.
Outlier b- bcorrect banswers✔✔An bobservation bpoint bthat bis bstatistically bdistant bfrom
bthe bother bobservations bin bthe bdataset.
Regression bLine b- bcorrect banswers✔✔The bline bof bbest bfit bto bshow bthe brelationship
bbetween bvariables, bthe bone bthat bminimizes bdistance bfrom beach bdata bpoint bto bthe
bline.
Experiment b- bcorrect banswers✔✔A bprocedure bthat bcan bbe bdone brepeatedly bwhich
bhas ba bwell bdefined bset bof boutcomes.
Given bthe bfollowing bexpression: b4 b+ b7 b× b(6 b- b3)2. bWhat bis bthe banswer busing
bproper border bof boperations?
A. b25
B. b46
C. b67
D. b99 b- bcorrect banswers✔✔C. b67
Multi-Step bExpression b- bcorrect banswers✔✔An bexpression bor bequation bwith bmore
bthan btwo bvalues band btwo bor bmore boperators bthat brequires bmultiple bsteps bto bbe
bsolved.
Improper bFraction b- bcorrect banswers✔✔A bfraction bwhere bthe bnumber bin bthe
bnumerator bis bmore bthan bthe bnumber bin bthe bdenominator.
Y-Intercept b- bcorrect banswers✔✔The by-value bof bthe bpoint bat bwhich ba bline
bintersects bwith bthe by-axis.
Check bSheet b- bcorrect banswers✔✔A bstructured bform bor btable bthat ballows bdata bto
bbe bcollected bby bmarking bhow boften ban bevent bhas boccurred bin ban bcertain binterval.