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QMS 202 (65)
Final

# qms 202- final exam crib sheet

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School
Ryerson University
Department
Quantitative Methods
Course
QMS 202
Professor
Jason Chan
Semester
Spring

Description
Population means independent: WHEN σ UKNOWN assumed equal Test statistic Confidence interval Related Samples: - Matched/paird samples ie. Before/after results - D = difference Point of estimate Sample Standard deviation Test Statistic Tstat has n- 1 d.f μ Confidence interfal for D is Example: α=.01 Point on estimate = -4.2 Sample standard deviation = 5.67 Solution: Two Population proportion: π1 – π2 Pooled estimate for overall proportion Test Statistic Example - Random sample, 36/72 men, 35/50 women voted Yes. - Test at .05 level of significance Hypothesis test sample proportion pooled estimate Solution: Population Variances: Hypotheses Fstat Example - Financial analyst for brokerage firm - Compare dividend yields between stocks listed  α=0.05 - Hypothesi
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