Q. The mode or model value of the distribution is that value of the variate for which frequency is: Minimum Maximum Odd number Even number Answer: Maximum
Q. The middle value of an ordered series is called Median 5th decile 50th percentile All the above Answer: All the above
Q. 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: Quartiles Deciles Percentiles Difficult to tell Answer: Quartiles
Q. We must arrange the data before calculating: Mean Median Mode Geometric mean Answer: Median
Q. Extreme scores will have the following effect on the median of an examination: They may have no effect on it They may tend to raise it They may tend to lower it None of the above Answer: They may have no effect on it
Extreme scores will have the following effect on the median of an examination Read More »
Q. The first step in calculating the median of a discrete variable is to determine the: Cumulative frequencies Relative weights Relative frequencies Array Answer: Array
The first step in calculating the median of a discrete variable is to determine the Read More »
Q. The midpoint of the values after they have been ordered from the smallest to the largest or the largest to the smallest is called: Mean Median Lower quartile Upper quartile Answer: Median
Q. The arithmetic mean of 10 items is 4 and the arithmetic mean of 5 items is 10. The combined arithmetic mean is: 4 5 6 90 Answer: 6
Q. 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: Geometric mean Harmonic mean Weighted mean Combined mean Answer: Weighted mean
Q. When all the values in a series occur the equal number of times, then it is not possible to calculate the: Arithmetic mean Geometric mean Harmonic mean Weighted mean Answer: Weighted mean
