(38) Find the standard deviation of the recovery times for the 10 patients. (A) 4.30 (B) 3.93 (C) 4.

(38) Find the standard deviation of the recovery times for the 10 patients.(A) 4.30 (B) 3.93 (C) 4.14 (D) 1257(39) If the observation 12 days (5th from the left) was changed to 15 days, which of the following measures would change?(A) range (B) mode (C) median (D) mean(40) The U.S. Marine Corps requires that men have heights between 64 and 78 inches. Find the percentage of men meeting this requirement if the heights of men are normally distributed with a mean of 68 inches and a standard deviation of 2.7 inches.(A) 93.1% (B) 30.4% (C) 20.6% (D) 82.1%

(38) Find the standard deviation of the recovery times for the 10 patients.(A) 4.30 (B) 3.93 (C) 4.14 (D) 1257Data missing(39) If the observation 12 days (5th from the left) was changed to 15...