Mathematics · JEE | STATISTICS

In the step-deviation method, how is \( u_i \) defined?

1. A
   \( u_i = x_i - a \)
2. B
   \( u_i = h(x_i - a) \)
3. C
   \( u_i = \frac{x_i - a}{h} \)
4. D
   \( u_i = \frac{a - x_i}{h} \)