Question

In: Statistics and Probability

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

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 < _

Solutions

Expert Solution

for test A we have calculated mean and standard deviation.

now for test B

please like ??


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