Advertisements
Advertisements
प्रश्न
What is sample?
Advertisements
उत्तर
A sample is a set of data collected from a statistical population by a defined procedure.
The elements of a sample are called sample size or sample points.
Samples are collected and statistics are calculated from the samples
So that one can make inferences from the sample to the population.
APPEARS IN
संबंधित प्रश्न
Give two examples each of sample, population and variable.
Do samples provide better results than surveys? Give reasons for your answer.
Explain in detail about sampling error
Explain in detail about non-sampling error
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
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
Choose the correct alternative:
A random sample is a sample selected in such a way that every item in the population has an equal chance of being included
Choose the correct alternative:
Which one of the following is probability sampling
Write short note on sampling distribution and standard error
