Question: Medicine and Clinical Studies A study was conducted to determine standard reference values for musculoskeletal ultrasonography in healthy adults. Independent random samples of men and women were obtained, and the sagittal diameter (in mm) of the biceps tendon was measured in each subject. The resulting summary statistics are given in the following table.
Assume the underlying populations are normal, with equal variances.
a. Is there any evidence to suggest that the population mean sagittal diameter of women's biceps tendons is different from that of men's biceps tendons? Use a = 0.01.
b. Construct a 95% confidence interval for the difference in population mean sagittal diameters, μ1 - μ2.