What is mean?

The simple average of the observations

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The sum of the observations

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The difference between any two observations

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None of the above

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Solution

The correct option is A
The simple average of the observations

The mean (or average) of a number of observations is the sum of the values of all the observations divided by the total number of observations.

Mean = $\frac{Sum of all observations}{Total number of observations}$

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Similar questions

Range is the

(a) difference between the largest and the smallest observations

(b) difference between the smallest and the largest observations

(d) ratio of the largest to the smallest observation

(i) The class midpoint is equal to:

(a) The average of the upper class limit and the lower class limit.

(b) The product of upper class limit and the lower class limit.

(d) None of the above.

(ii) The frequency distribution of two variables is known as

(a) Univariate Distribution

(b) Bivariate Distribution

(d) None of the above

(iii) Statistical calculations in classified data are based on

(a) the actual values of observations

(b) the upper class limits

(d) the class midpoints

(iv) Range is the

(a) difference between the largest and the smallest observations

(b) difference between the smallest and the largest observations

(d) ratio of the largest to the smallest observation

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