Question: Q1. i) Hypothesis testing is an important aspect without which the validity of research can't be claimed. Comment on the statement with valid examples to

Q1. i) "Hypothesis testing is an important aspect without which the validity of research can't be claimed".

Comment on the statement with valid examples to prove this.

ii) Eleven school boys were given a test in Statistics. They were given a month's tuition and a second test was

held at the end of it. Do the marks give evidence that the students have benefited by the extra coaching?

Boys 1 2 3 4 5 6 7 8 9 10 11

Marks in Test 1 23 28 12 23 16 29 17 15 14 12 15

Marks in Test 2 25 30 25 19 18 21 15 17 19 18 16

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