The experimental study is based on the law of

A statistical measure based upon the entire population is called parameter while measure based upon a sample is known as

The final result of a study will be more accurate if the sample drawn is

Which of the following is a non-probability sample ?

Independent variables are not manipulated in

The process not needed in experimental researches is

A teacher encounters various problems during his professional experiences. He should

A researcher selects a probability sample of 100 out of the total population. It is

Area (cluster) sampling technique is used when

Validity of a research can be improved by

Who is regarded the father of scientific social surveys ?

Formulation of hypothesis may not be necessary in

Logic of induction is very close to

The state having a largest area of forest cover in India is

【Q】 The sex of a child is determined .....

Q.पौधों में वाष्पोत्सर्जन की क्रिया किसमे होती है?

Q. √625/5×√144/3×0.07 का मान होगा–

निम्नलिखित संख्याओं में से कौन-सी विषम संख्या है?

43,26,50,37,17,82

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