The volume (in cu.cm.) of a right circular cylinder with radius 1 cm and height 2 cm is: (Take π = \( \frac{22}{7} \))
The mean deviation of the data 3, 10, 10, 4, 7, 10, 5 is:
\( \frac{49}{7} \)
\( \frac{19}{7} \)
\( \frac{50}{7} \)
\( \frac{18}{7} \)