Problem 23: The article "Tibiofemoral Cartilage Thickness Distribution and its Correlation with Anthropometric Variables" reports that in a sample of 11 men, the average volume of femoral cartilage (located in

the knee) was 18.7 cm³ with a standard deviation of 3.3 cm³ and the average volume in a sample of 9 women was 11.2 cm3 with a standard deviation of 2.4 cm³. Find and interpret a 90% confidence interval for the difference in the mean femoral cartilage volume between men and women. Assume equal population variances.