Bias is a potentially serious problem that can arise in surveys.
a) In a few sentences, explain the concept of bias.
b) What is the distinction between selection bias and non-response bias?

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The Answer of Bias is a potentially serious problem that can arise in surveys.
a) In a few sentences, explain the concept of bias.
b) What is the distinction between selection bias and non-response bias?

Bias Is a Potentially Serious Problem That Can Arise in Surveys