Which statistical test should be applied to test the effectiveness of ‘special coaching’ on the marks scored by the students?
A. Paired‘t’ test
B. ‘Chi-square’ test
C. ‘Z’ test
D. ‘F’ test
Answer:A
Which statistical test should be applied to test the effectiveness of ‘special coaching’ on the marks scored by the students?
A. Paired‘t’ test B. ‘Chi-square’ test C. ‘Z’ test D. ‘F’ test