Use your statistical package to perform a one-sample t test to determine whether the baseline anxiety of Ihno's students differs significantly ( = .05) from

Use your statistical package to perform a one-sample t test to determine whether the baseline anxiety of Ihno's students differs significantly (α = .05) from the mean (μ = 18) found by a very large study of college students across the country. Find the 95% confidence interval for the population mean represented by Ihno's students.