Q. When the values in a series are not of equal importance, we calculate the: Arithmetic mean Geometric mean Weighted mean Mode Answer: Weighted mean
When the values in a series are not of equal importance, we calculate the Read More »
Q. Step deviation method or coding method is used for computation of the: Arithmetic mean Geometric mean Weighted mean Harmonic mean Answer: Arithmetic mean
Step deviation method or coding method is used for computation of the Read More »
Q. The sum of the squares of the deviations of the values of a variable is least when the deviations are measured from: Harmonic mean Geometric mean Median Arithmetic mean Answer: Arithmetic mean
Q. The sum of the squares of the deviations about mean is: Zero Maximum Minimum All of the above Answer: Minimum
The sum of the squares of the deviations about mean is Read More »
Q. The elimination of extreme scores at the top of the set has the effect of: Lowering the mean Raising the mean No effect Difficult to tell Answer: Lowering the mean
The elimination of extreme scores at the top of the set has the effect of Read More »
Q. The elimination of extreme scores at the bottom of the set has the effect of: Lowering the mean Raising the mean No effect None of the above Answer: Raising the mean
The elimination of extreme scores at the bottom of the set has the effect of Read More »
Q. If a constant value is added to every observation of data, then arithmetic mean is obtained by: Subtracting the constant Adding the constant Multiplying the constant Dividing the constant Answer: Adding the constant
Q. The population mean µ is called: Discrete variable Continuous variable Parameter Sampling unit Answer: Parameter
Q. The measure of central tendency listed below is: The raw score The mean The range Standard deviation Answer: The mean
Q. While computing the arithmetic mean of a frequency distribution, the each value of a class is considered equal to: Class mark Lower limit Upper limit Lower class boundary Answer: Lower limit
