Test Bank for Research Methods for the Behavioral Sciences, 6th Edition (2024) by Gravetter Comprehensive Resource

, DOWNLOAD THE Test Bank for Essentials of Statistics for The Behavi
3 3 3 3 3 3 3 3 3 3
TRUE/FALSE oral Sciences 9th Edition Gravetter
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1 :3A3student3takes3a310-
point3quiz3each3week3in3statistics3class.3If3the3students3quiz3scores3for3the3first3three3weeks3are
32,36,3and310,3then3the3mean3score3is3M3=39.

A3:3true
B3:3false

Correct3Answer3:3B

2 :3A3sample3of3n3=363scores3has3X3=348.3This3sample3has3a3mean3of3M3=38.
A3:3true
B3:3false

Correct3Answer3:3A

3 :3A3sample3of3n3=383scores3has3a3mean3of3M3=316.3For3this3sample,3X3=32.
A3:3true
B3:3false

Correct3Answer3:3B

4 :3A3sample3with3a3mean3of3M3=3203has3X3=3120.3There3are3n3=363scores3in3the3sample.
A3:3true
B3:3false

Correct3Answer3:3A

5 :3For3the3scores3in3the3following3frequency3distribution3table,3the3mean3is3M3=33.3X3f343133343232
A3:3true
B3:3false

Correct3Answer3:3B

6 :3The3mean3is3considered3to3be3the3balance3point3for3a3distribution3because3exactly3half3of3the
3scores3are3located3above3the3mean3and3exactly3half3are3below3the3mean.

A3:3true
B3:3false

Correct3Answer3:3B

7 :3In3a3sample3of3n3=333scores,3if3two3scores3are3each3below3the3mean3by323points,3then3the
3third3score3is3above3the3mean3by343points.

A3:3true
B3:3false

Correct3Answer3:3A

8 :3A3sample3has3a3mean3of3M3=340.3If3a3new3score3of3X3=3353is3added3to3the3sample,3then3the
3sample3mean3would3increase.

A3:3true
B3:3false

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BE3Test3Bank3for3Essentials3of3Statistics3for3The3Behav
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9 :3A3sample3has3n3=373scores3with3a3mean3of3M3=39.3If3one3individual3with3a3score3of3X3=333is
3removed3from3the3sample,3the3new3mean3will3be3M3=310.

A3:3true
B3:3false

Correct3Answer3:3A

10 :3After3adding363points3to3every3score3in3a3sample,3the3new3mean3is3found3to3be3M3=318.3The
3mean3for3the3original3sample3was3M3=324.

A3:3true
B3:3false

Correct3Answer3:3B

11 :3Adding3a3new3score3to3a3distribution3will3always3change3the3value3of3the3mean.
A3:3true
B3:3false

Correct3Answer3:3B

12 :3Changing3the3value3of3a3score3in3a3distribution3will3always3change3the3value3of3the3mean.
A3:3true
B3:3false

Correct3Answer3:3B

13 :3A3sample3of3n3=363scores3has3a3mean3of3M3=39.3If3one3individual3with3a3score3of3X3=343is
3removed3from3the3sample,3the3new3mean3will3be3M3=310.

A3:3true
B3:3false

Correct3Answer3:3A

14 :3A3sample3of3n3=373scores3has3a3mean3of3M3=35.3After3one3new3score3is3added3to3the3sample,
3the3new3mean3is3calculated3to3be3M3=36.3The3new3score3was3X3=313.

A3:3true
B3:3false

Correct3Answer3:3A

15 :3A3sample3of3n3=383scores3has3a3mean3of3M3=320.3After3one3score3is3removed3from3the3s
ample,3the3mean3is3calculated3to3be3M3=323.3The3removed3score3must3have3a3value3greater3t
han320.
A3:3true
B3:3false

Correct3Answer3:3B

16 :3A3sample3of3n3=3103scores3has3a3mean3of350.3A3second3sample3has3n3=353scores3and3M=
60.3If3the3two3samples3are3combined,3the3combined3sample3mean3will3be3greater3than355.
A3:3true
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, BD:3Of aWl sNeL O A D 3THE3Test3Bank3for3Essentials3of3Statistics3for3The3Behavi
oral3Sciences39th3Edition3Gravetter
Correct3Answer3:3B

17 :3For3a3100-point3exam,3a3score3of3X3=3653is3definitely3above3the3median.
A3:3true
B3:3false

Correct3Answer3:3B

18 :3If3a3sample3has3an3odd3number3of3scores,3at3least3one3individual3will3have3a3score3exactly
3equal3to3the3median.

A3:3true
B3:3false

Correct3Answer3:3A

19 :3A3sample3has3n3=353scores:32,34,35,38,3and311.3The3median3for3the3sample3is36.5.
A3:3true
B3:3false

Correct3Answer3:3B

20 :3For3any3distribution3of3scores,3at3least3one3individual3will3have3a3score3exactly3equal3to3the
3mean.

A3:3true
B3:3false

Correct3Answer3:3B

21 :3It3is3possible3for3a3distribution3to3have3more3than3one3mode.
A3:3true
B3:3false

Correct3Answer3:3A

22 :3It3is3possible3to3have3a3distribution3of3scores3where3no3individual3has3a3score3exactly3equal
3to3the3mode.

A3:3true
B3:3false

Correct3Answer3:3B

23 :3For3a3set3of3scores3measured3on3an3ordinal3scale,3the3median3is3preferred3to3the3mean3as3a
3measure3of3central3tendency.

A3:3true
B3:3false

Correct3Answer3:3A

24 :3There3are3situations3for3which3it3is3either3impossible3to3compute3a3mean3or3the3mean3does
3not3provide3a3central,3representative3value.

A3:3true
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