The 50 values in Table 9.1 are intended to be a random sample from a ' standard normal distribution.
(a) Carry out a X test of goodness-of-fit by dividing the real line into five intervals each of which has probability 0.2 under the standard normal distribution.
(b) Carry out a X test of goodness-of-fit by dividing the real line into ten intervals each of which has probability 0.1 under the standard normal distribution.