7-Page Summary on Statistical Methods for Business and Economics
This 7-page summary offers a detailed yet concise overview of the most important topics from Statistical Methods for Business and Economics. It focuses on equipping readers with the statistical tools and methods essential for data-...
WHEN SIGMAIS KNOWN
1. H0: 0 against H1: >0 Confidence interval
2. Test statistic:
3. Rejection area: zz
4. Val
5. Conclusion
WHEN S IS KNOWN (SIGMA IS UNKNOWN)
1. H0: 0 against H1: < 0 Confidence interval
2. Test statistic:
3. Rejection area: t:n-1
4. Val
5. Conclusion
PROPORTION
1. H0: p = p0 against H1: p ≠ p0 Confidence interval
2. Test statistic:
3. Rejection area: z-z/2 or zz/2
4. Val
5. Conclusion
VARIANCE
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