Question 2 5+5+5 Marks (a) An educator claims that the average IQ of Pakistani c
ID: 2953350 • Letter: Q
Question
Question 2 5+5+5 Marks
(a) An educator claims that the average IQ of Pakistani college students is at most 110, and that in a study made to test this claim 150 Pakistani college students selected at random had an average IQ of 111.1 with standard deviation 7.2. Use a level of significance 0.01to test the claim of the educator.
(b) 12 student were given intensive coaching and 5 tests were conducted in a month. The scores of tests 1 and 5 are given below. Do the scores from 1 to 5 show an improvement?
Marks in 1st test
50
42
51
26
35
42
60
41
70
55
62
Marks in 1st test
50
42
51
26
35
42
60
41
70
55
62
Explanation / Answer
x.
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