Question 22 (4 points) Using the histogram below, identify the mode. Frequency 0 2 4 6 8 10 12 14 A) 73-74 B) None 66 C) 66-67, 71-72, 72-73 D) 68-69 E) 69-70 68 70 72 74 Heights measured in inches Question 23 (4 points) Saved Past observations suggest that patients who underwent carotid endarterectomy (an operation that removes blockage from the inside of a carotid artery to restore blood flow to the brain) take about 3 to 4 weeks before they can resume their usual daily routine (Source: Average carotid artery surgery recovery time. (2019, November 20). Retrieved from http://brvsc.com/average-carotid-artery-surgery-recovery-time/). Assuming that the recovery time follows a normal distribution with an average of 3.5 weeks and a standard deviation of 0.82 weeks, what is the probability that a random patient who was subjected to this medical procedure will recover in 3 weeks or less? A) 0.3902 B) 0.7291 C) -0.6098 D) 0.6098 E) 0.2709 Question 24 (4 points) A double-blind experiment is a type of prospective study. True False