If arithmetic mean of numbers x1, x2, x3, x4, … xn is then arithmetic mean of numbers ax1 + b, x2 + b, ax3 + b, …., axn + b where a and b are constants, will be |
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(a) |
(b) |
na + nb |
(c) |
a |
(d) |
a + b |
If arithmetic mean of numbers x1, x2, x3, x4, … xn is then arithmetic mean of numbers ax1 + b, x2 + b, ax3 + b, …., axn + b where a and b are constants, will be |
|||||||
(a) |
(b) |
na + nb |
(c) |
a |
(d) |
a + b |