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The arithmetic mean of the 12,45,3,95,22,53,78 is? |
42 44 46 45 |
44 |
Mean = \(\frac{ sum \; of \; observations }{ number \; of \; observations }\) Mean = \(\frac{ 12 + 45 + 3 + 95 + 22 + 53 + 78 }{ 7 }\) Mean = \(\frac{ 308 }{ 7 }\) Mean = 44 |
