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Hypothesis

Hypothesis

Hypothesis

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Hypothesis

1. 1. Hypothesis Chapter 3 Principles of Statistical Inference Asst Prof. Dr. Muhammad Yousaf Khan FCPS Radiation Oncology FRCR (UK) Clinical Oncology SCE (UK) Oncology PGD Oncology CMH Rawalpindi
2. 2. Tale of a fox with 2 tails ?
3. 3. Agenda I. Definition of Hypothesis II. Type of hypotheses III. Diference between 1-tailed versus 2 tailed hypothesis IV. Recap
4. 4. “Work hard, be kind, and amazing things will happen.” – by Conan O’Brien
5. 5. WhatisaHypothesis?
6. 6. What is a Hypothesis Testable statement Researcher's prediction Assumption Preliminary impression Hypothesis
7. 7. Study: Smoking rates among males Vs females in Islamabad
8. 8. Hypothesis Possible assumptions: • Smoking rate higher i`n males than females (M > F) • Smoking rate lower in females than males (F < M) • Smoking rate different in males and females (F ≄ M)
9. 9. Hypothesis • Smoking rate higher in males than females (M > F) • Smoking rate lower in females than males (F < M) • Smoking rate different in males and females (F ≄ M) • Smoking rate are equal in males and females (F = M) - Ho (Null Hypothesis)
10. 10. Which one is a fox with 2-tails? Possible hypotheses: • Smoking rate higher i`n males than females (M > F) • Smoking rate lower in females than males (F < M) • Smoking rate different in males and females (F ≄ M)
11. 11. Which one is a fox with 2-tails? Possible hypotheses: • Smoking rate higher i`n males than females (M > F) • Smoking rate lower in females than males (F < M) • Smoking rate different in males and females (F ≄ M)
12. 12. Hypothesis Possible assumptions: • Smoking rate higher in males than females (M > F) • Smoking rate lower in females than males (F < M) • Smoking rate different in males and females (F ≄ M)
13. 13. Which one is a fox with 2-tails?
14. 14. Tale of a fox with 2 tails ? Recap
15. 15. Thank You Questions? Feedback! usaf909@yahoo.com +92-3355533392