Teaching SUPER TET - UP Assistant Teacher Mock Test Series Mathematics Statistics Measures of Central Tendency
If the sum of n elements of the series x1, x2, x3 ....... , xn is k, then find the mean of the series ax1, ax2, ax3 ....... , axn is:
1
ak
2
\(\rm ak\over n\)
3
k
4
\(\rm k +{a\over n}\)