Answer to Question #73769 in Statistics and Probability for Swati

Question #73769

A training director wishes to find out whether a particular training programme increases the efficiency of the employees.He plans to take a random sample of employees and record their efficiency rating before the training starts.After the completion of the programme, the efficiency of the same sample of employees is recorded as given in the table below.At 0.05 level of significance do you reject or accept the null hypothesis H_0:μ_d=0 against H_1:μ_d>0 where μ_d=0 is mean of the difference?

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