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# STA 205 Quiz: ReviewEXAM2Exam

Department
Statistics
Course Code
STA 205
Professor
Brooke Buckley
Study Guide
Quiz

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12/17/2018 NKU Imath Assessment
https://imath.nku.edu/course/gb-viewasid.php?stu=11461&cid=335&asid=150076&uid=11461 1/7
Damico , Emily
Exam 2 Review
Started: October 2, 2018, 11:05 am
Last change: October 2, 2018, 2:41 pm
Time spent: 216 minutes
Total time questions were on‑screen: 57.3 minutes.
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12/17/2018 NKU Imath Assessment
https://imath.nku.edu/course/gb-viewasid.php?stu=11461&cid=335&asid=150076&uid=11461 2/7
Thestudentloancrisishasgainedincreasingpress,andtheInstituteforCollegeAccess&Successrecently
a.Whatisthepopulationofinterest?
Allcollegestudents
Allcollegestudentswithstudentloandebt
loandebtwith90%confidence.
Formula:
Interpret:With  %confidence,weestimatebetween %and
debt?
Theinterval  supportthisclaimbecuase
estimate.Theywouldliketoincreasethelevelofconfidenceto99%withamarginoferrorof+1.83.If
e.Ifthe2016estimatewerenotusedwhencalculatingthesamplesizeinpartd,whateffectwouldthis
Thesamplesizewoulddecrease.
Therewouldbenoeffectonthecalculatedsamplesize.
Thesamplesizewouldincrease.