Answer: Central tendency

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Questions

1
Any measure indicating the centre of a set of data, arranged in an increasing or decreasing order of magnitude, is called a measure of:

Answer: Central tendency

2
Scores that differ greatly from the measures of central tendency are called:

Answer: Extreme scores

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3
While computing the arithmetic mean of a frequency distribution, the each value of a class is considered equal to:

Answer: Lower limit

6
If a constant value is added to every observation of data, then arithmetic mean is obtained by:

Answer: Adding the constant

7
The elimination of extreme scores at the bottom of the set has the effect of:

Answer: Raising the mean

8
The elimination of extreme scores at the top of the set has the effect of:

Answer: Lowering the mean

11
The sum of the squares of the deviations of the values of a variable is least when the deviations are measured from:

Answer: Arithmetic mean

12
Step deviation method or coding method is used for computation of the:

Answer: Arithmetic mean

13
When the values in a series are not of equal importance, we calculate the:

Answer: Weighted mean

14
When all the values in a series occur the equal number of times, then it is not possible to calculate the:

Answer: Weighted mean

15
The mean for a set of data obtained by assigning each data value a weight that reflects its relative importance within the set, is called:

Answer: Weighted mean

16
The arithmetic mean of 10 items is 4 and the arithmetic mean of 5 items is 10. The combined arithmetic mean is:

Answer: 6

17
The midpoint of the values after they have been ordered from the smallest to the largest or the largest to the smallest is called:

Answer: Median

18
The first step in calculating the median of a discrete variable is to determine the:

Answer: Array

19
Extreme scores will have the following effect on the median of an examination:

Answer: They may have no effect on it

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