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QMS 202 - Business Statistics 2 Videos
Tools
Z-Table (pdf)
T-table (pdf)
F-Table (pdf)
Review
Lecture Notes (pdf)
Normal Distribution Part 1 - Symmetry (video)
Normal Distribution Part 2 - Find Area (video)
Normal Distribution Part 3 - Find Area (video)
Normal Distribution Part 4 - Find Z-Score (video)
Normal Distribution Part 5 - Find Z-Score (video)
Normal Distribution Part 6 - Find Z-Score (video)
Estimate Population Mean
Lecture Notes (pdf)
Population Mean Confidence Intervals Overview (video)
T-distribution vs Z-distribution (video)
Population Mean Confidence Interval - Sigma Known (video)
Population Mean Confidence Interval - Sigma Unknown (video)
Confidence Interval Given List - Sigma Known (video)
Confidence Interval Given List - Sigma Unknown (video)
Find t-Scores (video)
Find Sample Size Given Margin Of Error (video)
Estimate Population Proportion
Lecture Notes (pdf)
Confidence Intervals for Population Proportion (video)
Find Sample Size for Proportions (video)
Hypothesis Testing (One Sample)
Lecture Notes (pdf)
Hypothesis Testing Overview (video)
Type 1 vs Type 2 Errors (video)
Acceptance vs Rejection Regions (video)
Sample Size and Hypothesis Testing (video)
Significance, Confidence, Power and Type 1/2 Errors (video)
One Tailed vs Two Tailed Tests (video)
Hypothesis Testing - T test vs Z test (video)
Hypothesis Testing for Mean Example 1 (sigma known, two tailed)
Hypothesis Testing for Mean Example 2 (sigma known, left tailed)
Hypothesis Testing for Mean Example 3 (sigma known, right tailed)
Hypothesis Testing for Mean Example 4 (sigma unknown, two tailed)
Hypothesis Testing for Mean Example 5 (sigma unknown, left tailed)
Hypothesis Testing for Mean Example 6 (sigma unknown, right tailed)
Hypothesis Testing for Proportions (video)
Hypothesis Testing (Two Sample)
Lecture Notes (pdf)
Two Sample Hypothesis Testing Overview (pdf)
Two Sample Hypothesis Testing - Sigmas Known (video)
Two Sample Hypothesis Testing - Pooled Variance T-Test (video)
Two Sample Hypothesis Testing - Non-Pooled Variance T-Test (video)
f-Table (pdf)
F Test for Variances (video)
F-Test for Variances Example - Right Tailed (video)
F-Test for Variances Example - Left tailed, Sample List (video)
Paired t-Test Example (video)
Two Sample Hypothesis Testing for Proportions (video)
One Way Anova
One Way Anova Overview Part 1 (video) (12:38)
One Way Anova Overview Part 2 (video) (14:54)
One Way Anova Overview Part 3 (video) (10:13)
One Way Anova Example (video) (8:55)
Chi-Square Distribution
Lecture Notes (pdf)
Chi-Square Distribution Overview (video) (7:40)
Chi-Square Test (Two Proportions) Part 1 (video) (7:35)
Chi-Square Test (Two Proportions) Part 2 (video) (9:58)
Chi-Square Test (Two Proportions) Part 3 (video) (12:58)
Chi-Square Test (More Than Two Proportions) Part 1 (video) (8:59)
Chi-Square Test (More Than Two Proportions) Part 2 (video) (10:47)
F-Test for Variances Example - Left tailed, Sample List (video)
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