Jambmaths question:
The mean of 2– t, 4+t, 3 –2t, 2+t and t –1
Option A:
2
Option B:
t
Option C:
–t
Option D:
–2
Jamb Maths Solution:
$\begin{align} & \bar{x}=\frac{2-t+4+t+3-2t+2+t+t-1}{5} \\ & \bar{x}=\frac{10}{5}=2 \\\end{align}$
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