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Q. Suitable average for averaging the shoe sizes for children is

Q. Which of the following is not the phase of OR methodology?

Q. Ten families have an average of 2 boys. How many boys do they have together?

Q. Which of the following average cannot be calculated for the observations 2, 2, 4, 4, 6, 6, 8, 8, 10, 10 ?

Q. In operations research, the are prepared for situations.

Q. Scores that differ greatly from the measures of central tendency are called:

Q. The sum of the squares fo the deviations about mean is:

Q. If =100 and Y=2X – 200, then mean of Y values will be:

Q. For a certain distribution, if ∑(X -20) = 25, ∑(X- 25) =0, and ∑(X-35) = -25, then is equal to:

Q. Any measure indicating the centre of a set of data, arranged in an increasing or decreasing order of magnitude, is called a measure of