Answer: Quartiles

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Questions

21
The values of the variate that divide a set of data into four equal parts after arranging the observations in ascending order of magnitude are called:

Answer: Quartiles

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23
The mode or model value of the distribution is that value of the variate for which frequency is:

Answer: Maximum

25
Extreme scores on an examination have the following effect on the mode:

Answer: They have no effect on it

27
For moderately skewed distribution, the value of mode is calculated as:

Answer: 3Median 2Mean

28
If the values of mean, median and mode coincide in a unimodel distribution, then the distribution will be:

Answer: Symmetrical

31
If a set of data has one mode and its value is less than mean, then the distribution is called:

Answer: Positively skewed

32
Taking the relevant root of the product of all non-zero and positive values are called:

Answer: Geometric mean

34
If the two observations are a = 2 and b = -2, then their geometric mean will be:

Answer: Impossible

35
The ratio among the number of items and the sum of reciprocals of items is called:

Answer: Harmonic mean

37
For an open-end frequency distribution, it is not possible to find:

Answer: All of the above

38
Which pair of averages cannot be calculated when one of numbers in the series is zero?

Answer: Geometric mean and Harmonic mean

40
The geometric mean and harmonic mean of two values are. 8 and 16 respectively, then arithmetic mean of values is:

Answer: 16