Q. The sum of deviations from the _________ is always zero. MedianModeMeanNone of the above Answer: Mean

Q. Mode refers to the value within a series that occurs ________ number of times. MaximumMinimumZeroInfinite Answer: Maximum

Q. When the values in a series do not have equal importance, we calculate the _______. ModeWeighted meanArithmetic meanNone of the above Answer: Weighted mean

Q. Which measure of central tendency includes the magnitude of scores? MeanModeMedianRange Answer: Mean

Q. To calculate the median, all the items of a series have to be arranged in a/an ________. Descending orderAscending orderAscending or descending orderNone of the above Answer: Ascending or descending order

Q. The two methods of finding mode in a discrete series are _______. Grouping method and ascending methodTable method and midpoint methodGrouping method and inspecting methodNone of the above Answer: Grouping method and inspecting method

Q. Which of the following is not a disadvantage of using mean? It is affected by extreme valuesIt cannot be computed in grouped data with open-ended class intervalsIt does not possess the desired algebraic propertyNone of the above Answer: It does not possess the desired algebraic property

Q. The geometric mean and harmonic mean of two values are. 8 and 16 respectively, then arithmetic mean of values is: 41624128 Answer: 16

Q. The averages are affected by change of: OriginScaleBoth (a) and (b)None of the above Answer: Both (a) and (b)

Q. Which pair of averages cannot be calculated when one of numbers in the series is zero? Geometric mean and MedianHarmonic mean and ModeSimple mean and Weighted meanGeometric mean and Harmonic mean Answer: Geometric mean and Harmonic mean