4. What is a 95% confidence interval on our estimate of mean if our sample of 40observations (with a sample standard deviation of 1.6) produces a sample mean of 161.3? For a two-sided hypothesis where H_o: mu = 160, conduct a one-sample t-test using α = 0.05 for this same data and compare your answers.

What is a 95% confidence interval on our estimate of mean if our sample 4. of 40 observations (with a sample standard deviation of 1.6) produces a sample mean of 161.3? For a two­sided hypothesis…