Practicing Success
The arithmetic mean of the 12,45,3,95,23,65,98 is? |
49 50 46 48 |
49 |
Mean = \(\frac{ sum \; of \; observations }{ number \; of \; observations }\) Mean = \(\frac{ 12 + 45 + 3 + 95 + 23 + 65 + 100 }{ 7 }\) Mean = \(\frac{ 343 }{ 7 }\) Mean = 49 |