Question

3. In which of the following situations, mean cannot be found?

(a) class length are unequal (b) there are open ended class intervals

(c) the number of class intervals is more than 5 (d) inclusive type of classes are used​

Answer 1

Answer:

they are open ended class intervals

option b I think

Answer 2

Answer:

class length are unequal

I think option (a)