manutacturer of a new eye cream claims that the cream reduces the appearance of dine lines and wrinkles after just 14 days of application. To test the claim, 10 women are randomly selected to participate in a study. The number of fine lines andwrinkles that are visible around each participant's eyes is recorded before and after the 14 days of treatment. The following table displays the results.

The manufacturer of a new eye cream claims that the cream reduces the appearance of dine lines and wrinkles after just 14 days of application. To test the claim, 1 wrinkles that are visible around each participant's eyes is recorded before and after the 14 days of treatment. The following table displays the results. Numbers of Fine Lines and Wrinkles Before 8 14 13 15 10 16 9 10 11 10 After 6 14 11 14 10 14 9 9 11 8 di Using the differences calculated in #1 above, calculate the mean and standard deviation of the differences. Round s, to six decimal places. (mean) dd = (standard deviation) sd =