,DOWNLOAD3THE3Test3Bank3for3Essentials3of3Statistics3for3the3Behavioral3Scien
ces310th3Edition3Gravetter
Chapter301
1. A3researcher3uses3an3anonymous3survey3to3investigate3the3television-
viewing3habits3of31003American3adolescents.3The3researcher3plans3to3make3an3inference3about3the3television-
viewing3habits3of3all3American3adolescents3based3on3the3results3of3the3survey.3The3entire3group3of3American3adolescents3i
s3an3example3of3a .
a. sample
b. statistic
c. population
d. parameter3ANSW
ER: c3DIFFICULTY:
Apply
REFERENCES:3 1.13Statistics,3Science,3and3Observations
KEYWORDS: Bloom’s:3Apply
2. A3researcher3uses3an3anonymous3survey3to3investigate3the3social3media3habits3of3American3college3students.3Based3o
n3the3set3of33003surveys3that3were3completed3and3returned,3the3researcher3finds3that3students3spend3an3average3of323hour
s3each3day3using3social3media.3The3set3of33003students3who3returned3surveys3is3an3example3of3a .
a. parameter
b. statistic
c. population
d. sample3ANSWER
: d3DIFFICULTY:
Apply
REFERENCES:3 1.13Statistics,3Science,3and3Observations
KEYWORDS: Bloom’s:3Apply
3. In3order3for3a3researcher3to3obtain3a3random3sample,3they3need3to3specifically3do3which3of3the3following3things?
a. rule3out3confounding3variables
b. ensure3that3each3person3in3the3population3has3an3equal3chance3of3being3selected3for3the3sample
c. make3certain3that3results3are3valid
d. make3sure3that3each3participant3has3an3equal3chance3of3being3assigned3to3each3experimental3condition
ANSWER: b
DIFFICULTY: Understand
REFERENCES:3 1.13Statistics,3Science,3and3Observations
KEYWORDS: Bloom’s:3Understand
4. In3contrast3to3a3datum,3which3of3the3following3descriptions3is3most3consistent3with3the3concept3of3data?
a. the3mean3average3of3153participants’3individual3scores3on3a3problem-solving3task
b. the3percentile3that3the3score3of313participant3on3a3problem-solving3task3falls3into
c. the3individual3scores3of3153participants3on3a3problem-solving3task
d. the3individual3score3of313participant3on3a3problem-solving3task
ANSWER: c
DIFFICULTY: Analyze
REFERENCES:3 1.13Statistics,3Science,3and3Observations
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5. A3researcher3is3curious3about3the3average3monthly3car3insurance3bill3for3high3school3students3in3the3state3of3Florida.3
If3this3average3could3be3obtained,3it3would3be3an3example3of3a .
a. parameter
b. statistic
c. population
d. sample3ANSWER
: a3DIFFICULTY:
Apply
REFERENCES:3 1.13Statistics,3Science,3and3Observations
KEYWORDS: Bloom’s:3Apply
6. Which3statement3below3regarding3populations3is3true?
a. Populations3typically3are3small3in3size.
b. Populations3cannot3consist3of3non-human3animal3research3subjects.
c. The3experimental3research3method3should3be3used3to3examine3populations.
d. It3usually3is3challenging3to3obtain3data3from3every3person3in3a3population.
ANSWER: d
DIFFICULTY: Understand
REFERENCES:3 1.13Statistics,3Science,3and3Observations
KEYWORDS: Bloom’s:3Understand
7. The3relationship3between3a3statistic3and3a3sample3is3the3same3as3the3relationship3between .
a. a3sample3and3a3population
b. a3statistic3and3a3parameter
c. a3parameter3and3a3population
d. descriptive3and3inferential3statistics
ANSWER: c
DIFFICULTY: Understand
REFERENCES:3 1.13Statistics,3Science,3and3Observations
KEYWORDS: Bloom’s:3Understand
8. Organizing3a3set3of3scores3in3a3table3or3computing3an3average3to3summarize3a3data3set3is3an3example3of3using .
a. parameters
b. random3sampling
c. descriptive3statistics
d. inferential3statistics3A
NSWER:
c3DIFFICULTY:
Remember
REFERENCES:3 1.13Statistics,3Science,3and3Observations
KEYWORDS: Bloom’s:3Remember
9. A3characteristic,3usually3a3numerical3value,3which3describes3a3sample3is3called3a .
Copyright3Cengage3Learning.3Powered3by3Cogner Page32
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, DOWNLOAD3THE3Test3Bank3for3Essentials3of3Statistics3for3the3Behavioral3Scien
ces310th3Edition3Gravetter
a. parameter
b. statistic
c. variable
d. constant
ANSWER: b
DIFFICULTY: Remember
REFERENCES:3 1.13Statistics,3Science,3and3Observations
KEYWORDS: Bloom’s:3Remember
10. A3researcher3is3interested3in3average3first3semester3change3in3weight3(gain3or3loss)3for3students3at3a3local3college.3Thu
s,3they3record3the3individual3change3in3weight3for3a3small3group3of3253freshman3from3this3college3during3their3first3semest
er.3Then,3the3researcher3calculates3the3average3change3in3weight3during3the3first3semester3among3these3253students.3The3a
verage3is3an3example3of3a .
a. statistic
b. parameter
c. variable
d. constant3ANSWE
R: a3DIFFICULTY:
Apply
REFERENCES:3 1.13Statistics,3Science,3and3Observations
KEYWORDS: Bloom’s:3Apply
11. The3average3verbal3SAT3score3for3the3entire3class3of3incoming3college3freshmen3in3the3United3States3is3530.3Howeve
r,3if3a3sample3of3203incoming3college3freshmen3is3randomly3selected3from3the3United3States,3it3is3likely3that3this3sample’s3
average3verbal3SAT3score3will3not3be3exactly3530.3This3is3consistent3with3the3concept3of .
a. statistical3error
b. inferential3error
c. sampling3error
d. descriptive3error3
ANSWER:
c3DIFFICULTY:
Apply
REFERENCES:3 1.13Statistics,3Science,3and3Observations
KEYWORDS: Bloom’s:3Apply
12. Random3assignment3helps3to3strengthen3causal3inferences3within3an3experiment3by3ruling3out3potential3confoundin
g3variables3otherwise3introduced3to3an3experiment3due3to3individual3differences3in3participants.
a. True
b. False
ANSWER: True
DIFFICULTY: Understand
REFERENCES:31.33Three3Data3Structures,3Research3Methods,3and3Statistics
KEYWORDS: Bloom’s:3Understand
13. A3recent3study3reported3that3students3who3just3finished3playing3a3prosocial3video3game3were3more3likely3to3help3othe
rs3than3students3who3had3just3finishing3playing3a3neutral3or3antisocial3game.3For3this3study,3the3kind3of3game3given3to3the
Copyright3Cengage3Learning.3Powered3by3Cogner Page33
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