Test bank for introduction to statistical investigationsb 2nd edition beth l chance.pdf
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Course
Introduction to Statistical Investigati
Institution
Introduction To Statistical Investigati
Test bank for introduction to statistical investigations 2nd edition beth l Test bank for introduction to statistical investigationsb 2nd edition beth l
Questions818through84:
Do8red8uniform8wearers8tend8to8win8more8often8than8those8wearing8blue8uniforms8in8Taekwon
do8matches8where8competitors8are8randomly8assigned8to8wear8either8a8red8or8blue8uniform?8I
n8a8sample8of8808Taekwondo8matches,8there8were8458matches8where8the8red8uniform8wearer8
won.
1. What8is8the8parameter8of8interest8for8this8study?
A. The8long-
run8proportion8of8Taekwondo8matches8in8which8the8red8uniform8wearer8wins
B. The8proportion8of8matches8in8which8the8red8uniform8wearer8wins8in8a8sample8of8808Tae
kwondo8matches
C. Whether8the8red8uniform8wearer8wins8a8match
D.8 0.50
Ans:8A;8LO:81.1-1;8Difficulty:8Easy;8Type:8MC
2. What8is8the8statistic8for8this8study?
A. The8long-
run8proportion8of8Taekwondo8matches8in8which8the8red8uniform8wearer8wins
B. The8proportion8of8matches8in8which8the8red8uniform8wearer8wins8in8a8sample8of8808Tae
kwondo8matches
C. Whether8the8red8uniform8wearer8wins8a8match
D.8 0.50
Ans:8B;8LO:81.1-1;8Difficulty:8Easy;8Type:8MC
3. Given8below8is8the8simulated8distribution8of8the8number8of8―red8wins‖8that8could8happen8by8ch
ance8alone8in8a8sample8of8808matches.8Based8on8this8simulation,8is8our8observed8result8statistica
lly8significant?
A. Yes,8since8458is8larger8than840.
B. Yes,8since8the8height8of8the8dotplot8above8458is8smaller8than8the8height8of8the8dot
plot8above840.
C. No,8since8458is8a8fairly8typical8outcome8if8the8color8of8the8winner‘s8uniform8was8det
FOR8INSTRUCTOR8USE8ONLY
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