Statistics

Q31

In a distribution of 10, 20, 30, 40, 50, the x is 30, the sum of deviations from x will be:________?

Q32

The first hand and unorganized form of data is called_______________?

Q33

making a entrance slip in service hospital is the method of collection of data by______________?

Q34

A chance variation in an observational process is_____________?

Q39

Questionnaire survey method is used to collect____________?

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