Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Mathematics Statistics Measures of Central Tendency
Let x, y, z are three observations. The mean of these observations is
1
\(\rm\frac{x \times y \times z}{3}\)
2
\(\rm\frac{x+y+z}{3}\)
3
\(\rm\frac{x−y−z}{3}\)
4
More than one of the above
5
None of the above