QA 233 (Basic Business Statistics)
Formula Sheet - Final Exam
Sampling
Error When Estimating
m:
Interval
Estimate Of A Population Mean - Large Sample Case, s
Known:
Margin
Of Error, Interval Estimate Of A Population Mean - Large Sample Case, s
Known:
Interval
Estimate Of A Population Mean - Large Sample Case, s
Unknown:
Margin
Of Error, Interval Estimate Of A Population Mean - Large Sample Case, s
Unknown:
Interval
Estimate Of A Population Mean - Small Sample Case, s
Unknown:
Margin
Of Error, Interval Estimate Of A Population Mean - Small Sample Case, s
Unknown:
Sample
Size For An Interval Estimate Of A Population Mean:
Sampling Error when
Estimating p: ![]()
Interval Estimate of a
Population Proportion: 
Margin of Error,
Interval Estimate of a Population Proportion: 
Sample Size for an
Interval Estimate of a Population Proportion: 
Test Statistic for a
Single Mean – Large Sample Case: 
Test Statistic for a
Single Mean – Small Sample Case: 
Test Statistic for a
Single Proportion:
