the correct answer is e09945 Is there any one can tell me wh

the correct answer is e:0.9945

Is there any one can tell me why?

Solution

First, we calculate the tail area of test statistic, which is half of 2 - tailed hypothesis, which is given to be 0.011 (look next to age coefficient)

So, tail area is 0.0055

Next, we note that age coefficient is negative, so p-value of positive association = P(t > test statistic) = 1 - P( t < test statistic)

Here, P(t < test statistic) = 0.0055 because this test statistic is negative because coefficient itself is negative.

Thus, p-value of positive association = 1 - 0.0055 = 0.9945