Given the following test: (i) ‘Z’ test (ii) ‘t’ test (iii) ‘F’ test (iv) ‘’ test (page no 103) The concept of degrees of freedom is associated with: Continue reading →
In a unimodal and symmetric distribution, the relationship between averages is like the: Continue reading →
In a predominantly illiterate area consisting of 10,000 population, data has to be collected from 10% of them. The appropriate technique for data collection would be: Continue reading →
If the two regression coefficients are 0.8 and 0.2, then the value of coefficient of correlation is: Continue reading →
Which of the following is the non-random method of selecting samples from a population? Continue reading →