हिंदी

There is a certain bias involved in the non-random selection of samples. - Economics

Advertisements
Advertisements

प्रश्न

There is a certain bias involved in the non-random selection of samples.

विकल्प

  • True

  • False

MCQ
सत्य या असत्य

उत्तर

This statement is true. 

Explanation:

Non-random selection of items obstructs the equal chance of every item of the Universe of getting selected. Hence, there may be a high probability of involvement of the personal biases of the investigator in the non-random sample selected.

shaalaa.com
Concepts of Sampling
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Collection of Data - Exercise [पृष्ठ २०]

APPEARS IN

एनसीईआरटी Statistics for Economics [English]
अध्याय 2 Collection of Data
Exercise | Q 3. (iv) | पृष्ठ २०

संबंधित प्रश्न

Give two examples each of sample, population and variable.


Which of the following methods give better results and why?


Which of the following errors is more serious and why?


Suppose there are 10 students in your class. You want to select three out of them. How many samples are possible?


Discuss how you would use the lottery method to select 3 students out of 10 in your class?


Do samples provide better results than surveys? Give reasons for your answer.


What is sample?


Define parameter


What is sampling distribution of a statistic?


Explain in detail about simple random sampling with a suitable example


State any two merits of simple random sampling


State any three merits of stratified random sampling


State any two merits for systematic random sampling


Using the following Tippet’s random number table

2952 6641 3992 9792 7969 5911 3170 5624
4167 9524 1545 1396 7203 5356 1300 2693
2670 7483 3408 2762 3563 1089 6913 7991
0560 5246 1112 6107 6008 8125 4233 8776
2754 9143 1405 9025 7002 6111 8816 6446

Draw a sample of 10 three-digit numbers which are even numbers


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:

A ______ may be finite or infinite according as the number of observations or items in it is finite or infinite


Choose the correct alternative:

Any statistical measure computed from sample data is known as ______


Choose the correct alternative:

In simple random sampling from a population of units, the probability of drawing any unit at the first draw is


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


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×