Health care issues are receiving much attention in both academic and political arenas, A sociologist recently conducted a survey of citizens over 60 years of age whose net worth is too high to quality for Medicaid. The ages of 25 senior citizens were as follows 60 61 62 63 64 65 66 68 68 69 70 73 73 74 75 76 76 81 81 82 86 87 89 90 92 a. what type of shape does the distribution of the sample appear to have?
b. calculate the variance of the ages of the senior citizens correct to the nearest hundredth of a year squared.
c. determine the first quartile of the ages of the senior citizens.