An existing inventory for a test measuring self-esteem indicates that the scores have a standard deviation of 9. A psychologist gave the self-esteem test to a random sample of 70 individuals, and their mean score was 67. Construct a 90% confidence interval for the truemean of all test scores. Then complete the table below. Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place. What is the lower and upper limit of the 90% confidence interval?