SCM 200 EXAM 1 PRACTICE EXAM QUESTIONS WITH COMPLETE ANSWERS

SCM 200 EXAM 1 PRACTICE EXAM
QUESTIONS WITH COMPLETE
ANSWERS

T/F? nnA nndescriptive nnmeasure nnof nna nnsample nnis nna nnparameter. nn- nnAnswer
nnFalse. nnS&S, nnP&P


T/F? nnWe nnshould nndetermine nnour nnobjectives nnbefore nnthe nncollect nnthe nndata. nn-
nnAnswer nnTrue.


T/F? nnThe nn#'s nnon nna nnB-Ball nnjersey nnare nnan nnexample nnof nnqualitative nndata. nn-
nnAnswer nnTrue.


Cumulative nnRelative nnFrequency nntotals nnto... nn- nnAnswer nn100%

T/F? nnThe nn1st nnQuartile nnof nna nndistribution nncan nnnever nnbe nnzero. nn- nnAnswer
nnFalse. nnValues nncan nnbe nnnegative.


Stem nnand nnleaf nnplot nnis nnuseful nnbecause... nn- nnAnswer nnShows nndistribution nnand
nncontains nnall nnoriginal nnvalues


T/F? nnA nnboxplot nnis nna nngood nnway nnto nnshow nnthe nnmean nnof nna nndata nnset. nn-
nnAnswer nnFalse nn- nnDoesn't nninclude nnmean.


T/F? nnGenerally nna nnS&L nnplot nncannot nnbe nnmade nnfrom nna nnboxplot, nnbut nna
nnboxplot nncan nnbe nnmade nnfrom nna nnS&L nn- nnAnswer nnTrue.


A nnpopulation nnconsists nnof nnthe nn#'s nn3,8,4. nnThe nnmean nnand nnmedian nnare? nn-
nnAnswer nn5,4


T/F? nnThe nnmedian nnand nnmode nnare nnnot nnaffected nnby nnoutliers. nn- nnAnswer
nnTrue.


T/F? nnEvery nndata nnset nnhas nna nnmode. nn- nnAnswer nnFalse.

Weighted nnaverage nnof nn20, nn25, nnand nn55 nn- nnAnswer nn40.5

What nnmeasures nncompute nnthe nnaverage nndistance nnfrom nnthe nnmean? nn- nnAnswer
nnMAD nnand nnvariance