Calculate variance of the following data: Class interval Frequency 4 – 8 3 8 – 12 6 12 – 16 4 16 – 20 7 Mean (x¯)=fixifi=3×6 6×10 4×14 7×1820 = 13 - Mathematics | Shaalaa.com
Calculate variance of the following data: Class interval Frequency 4 – …
Sep 16, 2024
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