Population and sampling - class-XI
Description: population and sampling | |
Number of Questions: 15 | |
Created by: Gagan Singh | |
Tags: sampling methods sampling techniques and statistical inference statistics business mathematics and statistics |
A sample selected from a population consists which of the following?
Which of the following statements is true?
Suppose we are using stratified sampling for a particular population and have divided it into strata of different sizes. How can we now make sample selection?
Which of the following statement is true?
Which sampling is affected the most if there is hidden periodicity in population?
A security checkpoint that cheks every vehicle entering into the mall is an example of which of the following?
State whether the following statements are 'true' or 'false':
Units on the sample should be selected within the same time duration.
State whether the following statements are 'true' or 'false':
A simpling plan that selects units from a population at uniform intervals in time, value or position it called stratified sampling.
State whether the following statements are 'true' or 'false':
A statistic is a characteristic of a population.
A parameter and statistic respectively are characteristics of which of the following?
State whether the following statements are 'true' or 'false':
Each unit of the populations is examined in census inquiry.
State whether the following statements are 'true' or 'false':
A sampling method that divides the population into homogeneous groups from which random samples are drawn is known as systematic sampling.
State whether the following statements are 'true' or 'false':
In simple random sampling method, each unit of the population has an equal chance of being included in the sample.
State whether the following statements are 'true' or 'false':
When properties of the units of the population have more dissimilarities, the use of stratified random sampling method is advantageous.
Population are unlimited in size are referred to as____________.