1 point Ten randomly selected people took an IQ test A and next day they...
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1 point Ten randomly selected people took an IQ test A and next day they took a very similar IQ test B Their scores are shown in the table below Person ABCDEFGHI J Test A 87 73 101 122 99 90 111 96 107 119 Test B 88 72 102 124 98 91 108 95 106 120 You should be able to copy and paste the data into Sheets or Excel If it doesn t copy correctly then try the special paste options 1 Consider Test A Test B Use a 0 05 significance level to test the claim that people do better on the second test than they do on the first Note You may wish to use software a What test method should be used OA Two Sample z test OB Two Sample t test OC Matched Pairs t test A b The test statistic is c Is there sufficient evidence to support the claim that people do better on the second test SOA No OB Yes 2 Construct a 95 confidence interval for the mean of the differences Again use Test A Test B F
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