मराठी
तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएचएससी वाणिज्य इयत्ता १२

Explain the types of sampling

Advertisements
Advertisements

प्रश्न

Explain the types of sampling

बेरीज
Advertisements

उत्तर

There are two types of sampling.

They are:

(1) Non-Random sampling or Non-probability sampling

(2) Random sampling or probability sampling Random sampling refers to selection of samples from the population in a random manner.

A random sample is one where each and every item in the population has an equal chance of being selected.

“Every member of a parent population has had equal chances of being included “Dr. Yates.

“A random sample is a sample selected in such a way that every item in the population has an equal chance of being included”-Harver.

The different types of probability sampling are:

(1) Sampling random sampling

(2) Stratified random sampling

(3) Systematic sampling

shaalaa.com
Concepts of Sampling
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 8: Sampling techniques and Statistical Inference - Miscellaneous problems [पृष्ठ १९६]

APPEARS IN

सामाचीर कलवी Business Mathematics and Statistics [English] Class 12 TN Board
पाठ 8 Sampling techniques and Statistical Inference
Miscellaneous problems | Q 1 | पृष्ठ १९६

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?


Explain the stratifi ed random sampling with a suitable example


State any three merits of stratified random sampling


State any two demerits of systematic random sampling


A sample of 1000 students whose mean weight is 119 lbs (pounds) from a school in Tamil Nadu State was taken and their average weight was found to be 120 lbs with a standard deviation of 30 lbs. Calculate the standard error of the mean


A random sample of 60 observations was drawn from a large population and its standard deviation was found to be 2.5. Calculate the suitable standard error that this sample is taken from a population with standard deviation 3?


Choose the correct alternative:

In ______ the heterogeneous groups are divided into homogeneous groups


Determine the standard error of proportion for a random sample of 500 pineapples was taken from a large consignment and 65 were found to be bad


Use the data in the Table below that relate to monthly household expenditure (in Rs) on the food of 50 households and

1904 1559 3473 1735 2760
2041 1612 1753 1855 4439
5090 1085 1823 2346 1523
1211 1360 1110 2152 1183
1218 1315 1105 2628 2712
4248 1812 1264 1183 1171
1007 1180 1953 1137 2048
2025 1583 1324 2621 3676
1397 1832 1962 2177 2575
1293 1365 1146 3222 1396

Monthly Household Expenditure (in Rupees) on Food of 50 Households

Find the number of households whose monthly expenditure on food is

(a) less than Rs 2000
(b) more than Rs 3000
(c) between Rs 1500 and Rs 2500

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×