the difference between population and sample is that population is multiplying the # then dovidng it by 20
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:Population is the entire group that you want a conclusion result.
Sample is the specific group that you will get data from.
For example if we get data from whole university it is population but if we get data from the single class it is sample.
18-140
Population:
Population include whole of the people, from which we want to study their characteristics, at a particular place. For example: The food consumption of all the people of Pakistan in a year.
Sample:
Sample includes specific group of people from the whole population.
For example: The food consumption of adults in Pakistan in a year.
Roll no. 115
Roll no. 115
Sampling Error
population is the number of citizens living in a defined geographical area. Sample is a number taken from the population being the sample to research for a topic about the populations' behavior or habit, etc.
standard error
The same basic formula is used to calculate the sample or population mean. The sample mean is x bar and the population mean is mu. Add all the values in the sample or population and divide by the number of data values.
0. The expected value of the sample mean is the population mean, so the expected value of the difference is 0.