Explain the concepts of level of significance and rejection region using suitable diagram of a
standard normal curve
Explain the concepts of level of significance and rejection region using suitable diagram of a
standard normal curve
Explain the concept of standard error through a suitable example. What are its implications?
Simple random sampling and Stratified random sampling
How do you construct confidence interval for a statistic? What are its implications?
Define probability distribution function of binomial distribution. Assume that the probability of
a boat reaching its destination safely is 0.9. Under the assumption of binomial distribution, find
the mean and standard deviation of boats reaching destination safely out of a total 500 boats.
- Calculate index numbers using Paasche’s method and Fisher’s method from the following data.
| Commodity |
|
|
|
|
| A | 5 | 14 | 3 | 8 |
| B | 8 | 18 | 6 | 25 |
| C | 3 | 25 | 1 | 40 |
| D | 15 | 36 | 12 | 48 |
| E | 9 | 14 | 7 | 18 |
| F | 7 | 13 | 5 | 19 |
Type I and Type II errors in hypothesis testing