In: Statistics and Probability
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 A B C D E F G H I J
Test A 123 97 112 89 103 94 74 119 85 105
Test B 122 100 110 89 102 92 73 121 87 104
The test statistic is _
The critical value is_
Construct a 99% confidence interval for the mean of the differences. Again, use (Test A - Test B). _< μ < _
for test A we have calculated mean and standard deviation.
now for test B
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