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  3. ten randomly selected people took an iq test a, an

Ten randomly selected people took an IQ test A, and next day they took a very...

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Statistics

Ten randomly selected people took an IQ test A, and next daythey took a very similar IQ test B. Their scores are shown in thetable below. Person A B C D E F G H I J Test A 106 90 119 111 77 95100 83 102 127

Test B 107 89 124 114 79 97 100 83 106 130

1. Consider (Test A - Test B). Use a 0.01 significance level totest the claim that people do better on the second test than theydo on the first. (Note: You may wish to use software.)

(1)The test statistic is

(2) Construct a 99% confidence interval for the mean of thedifferences. Again, use (Test A - Test B).

<μ

Answer & Explanation Solved by verified expert
3.8 Ratings (340 Votes)
1test statistic 31432for 99 CI and 9 degree of    See Answer
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