2010 · Q50
A new frequency distribution is constructed by doubling each frequency of the original distribution keeping the other entries intact. The following measures are computed for both the tables:
- 1Arithmetic mean
- 2Median
- 3Harmonic mean Which of the following statements with reference to above is correct ?
Elementary MathematicsStatistics
- ACorresponding values of 1 and 2 only are equal in both the tables
- BCorresponding values of 1 and 3 only are equal in both the tables
- CCorresponding values of 2 and 3 only are equal in both the tables
- DCorresponding values of 1, 2 and 3 are equal in both the tables
Explanation
Doubling all frequencies leaves mean, median and harmonic mean unchanged.