Describe about non-statistical errors.
Describe about non-statistical errors.
The non-statistical errors are occurs in the following ways:
Sampling error:
Sampling error is a type of error that occurs because of the biased selection of sample or by not taking the appropriate sample size. The process of randomization along with the technique of probability is used to reduce the sampling error.
Response error:
Response error occurs in a sample because of the temptations of a person to answer questions on a survey untruthfully.
Non-response error:
It is a type of error that occurs when the sample units selected for the survey or experiment do not respond because they are unable, unavailable and unwilling to do so. It generally reduces the sample size which causes problem while decision making.
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