MCQ
For dealing with qualitative data the best average is:
- AA.M.
- BG.M.
- CMode
- DMode
Solution:
Median is the middle most value.
Also for even number of observations, median is the average of to middle values.
Hence, it divides the whole series into two equal halv.
It gives the more accurate and best average for qualitative data.
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If $\sin\theta+\cos\theta=1,$ then the value of $\sin2\theta$ is equal to: