Test Bank for Statistics for the Behavioral Sciences 10th Edition by Frederick Gravetter, Larry B. Wallnau | All Chapters Included | Complete Latest Guide A+.

TEST BANK
x

,1. What xis xthe xtotal xnumber xof xscores xfor xthe xdistribution xshown xin xthe
xfollowing xtable? xX f
4 3
3 5
2 4
1 2
a. 4
b. 10
c. 14
d. 37
ANSWER: c
REFERENCES: 2.1 xFrequency xDistributions xand xFrequency xDistribution
xTables

QUESTION Multiple xChoice
xTYPE:

KEYWORDS: Bloom’s: xUnderstand

2. A xsample xof xn x= x15 xscores xranges xfrom xa xhigh xof xX x= x11 xto xa xlow xof xX x= x3. x If xthese xscores xare
xplaced xin xa xfrequency xdistribution xtable, xhow xmany xX xvalues xwill xbe xlisted xin xthe xfirst xcolumn xof

xthat xtable?


a. 8
b. 9
c. 11
d. 15
ANSWER: b
REFERENCES: 2. x1 xFrequency xDistributions xand xFrequency xDistribution
xTables

QUESTION Multiple xChoice
xTYPE:

KEYWORDS: Bloom’s: xUnderstand

3. For xthe xfollowing xfrequency xdistribution xof xquiz xscores, xhow xmany xindividuals
xtook xthe xquiz? xX f x
5 6
4 5
3 5
2 3
1 2 x
a. n x= x5
b. n x= x7
c. n x= x15
d. n x= x21
ANSWER: d
REFERENCES: 2. x1 xFrequency xDistributions xand xFrequency xDistribution
xTables

QUESTION Multiple xChoice
xTYPE:

KEYWORDS: Bloom’s: xUnderstand

4. For xthe xfollowing xdistribution xof xquiz xscores, xif xa xscore xof xX x= x3 xor xhigher xis xneeded xfor xa xpassing
xgrade, xhow xmany xindividuals xpassed?

,X f x

5 6
4 5
3 5

, 2 3
1 2 x
a. 3
b. 11
c. 16
d. 21
ANSWER: c
REFERENCES: 2. x1 xFrequency xDistributions xand xFrequency xDistribution
xTables

QUESTION Multiple xChoice
xTYPE:

KEYWORDS: Bloom’s: xUnderstand

5. For xthe xfollowing xdistribution xof xquiz xscores, xHow xmany xindividuals xhad xa
xscore xof xX x= x2? xX f x
5 6
4 5
3 5
2 3
1 2 x
a. 1
b. 2
c. 3
d. 5
ANSWER: c
REFERENCES: 2. x1 xFrequency xDistributions xand xFrequency xDistribution
xTables

QUESTION Multiple xChoice
xTYPE:

KEYWORDS: Bloom’s: xUnderstand

6. For xthe xfollowing xfrequency xdistribution xof xexam xscores, xwhat xis xthe xlowest xpossible xreported
xscore xon xthe xexam? xX f x
90-94 x 3
85-89 x 4
80-84 x 5
75-79 x 2
70-74 x 1
a. x x= x70
b. x x= x74
c. x x= x90
d. x=94
ANSWER: a
REFERENCES: 2.2 xGrouped xFrequency xDistribution
xTables

QUESTION Multiple xChoice
xTYPE:

KEYWORDS: Bloom’s: xUnderstand

7. For xthe xfollowing xfrequency xdistribution xof xexam xscores, xhow xmany xstudents xhad xscores
xlower xthan xX x= x80? xX f x