Advertisements
Advertisements
प्रश्न
State any two merits of simple random sampling
Advertisements
उत्तर
Merits:
1. Personal bias is completely eliminated.
2. This method is economical as it saves time, money and labour.
3. The method requires minimum knowledge about the population in advance.
APPEARS IN
संबंधित प्रश्न
Which of the following methods give better results and why?
Discuss how you would use the lottery method to select 3 students out of 10 in your class?
Does the lottery method always give you a random sample? Explain.
Explain the procedure of selecting a random sample of 3 students out of 10 in your class, by using random number tables.
What is statistic?
In a sample of 400 population from a village 230 are found to be eaters of vegetarian items and the rest non-vegetarian items. Compute the standard error assuming that both vegetarian and non-vegetarian foods are equally popular in that village?
Choose the correct alternative:
Any statistical measure computed from sample data is known as ______
Choose the correct alternative:
A ______ is one where each item in the universe has an equal chance of known opportunity of being selected
Explain the types of sampling
A sample of 100 students is drawn from a school. The mean weight and variance of the sample are 67.45 kg and 9 kg. respectively. Find (a) 95% (b) 99% confidence intervals for estimating the mean weight of the students
