If the number of observations is such that nx ny is large (n > 20), a normal approximation can be used with
A. $${\mu _\mu } = \frac{{{n_x}}}{{{n_y}}}$$
B. $${\mu _u} = \frac{{{n_y}}}{{{n_x}}}$$
C. $${\mu _\mu } = \frac{{{n_x}.{n_y}}}{2}$$
D. $${\mu _u} = \frac{{{n_x}.{n_y}}}{4}$$
Answer: Option C
This Question Belongs to Commerce >> Business Statistics And Research Methods
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