20. What is the single most important number in statistics and why is it so important? (alpha, beta, p-value) - 10marks

1.DEFINE

2.DESCRIBE

3.BASIC EXAMPLE (REAL WORLD EXAMPLE)

4.ANSWER THE QUESTION

21. Why do we not make alpha 0? (related to the null hypothesis and hypothesis testing) - 10marks

1.DEFINE

2.DESCRIBE

3.BASIC EXAMPLE (REAL WORLD EXAMPLE)

4.ANSWER THE QUESTION