Busi1013 statistics for business question

1. 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 qualify for Medicaid. The ages of 25 senior citizens were as follows: 40 marks 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. Calculate the arithmetic mean age of the senior citizens to the nearest hundredth of a year. 5 marks b. Determine the median age of the senior citizens. 5 marks 0. Determine the rst quartile of the ages of the senior citizens. 5 marks (1. Determine the third quartile of the ages of the senior citizens. 5 marks 6. Determine the interquartile range of the ages of the senior citizens. 5 marks f. Determine which of the following is the correct statement. 2.5 marks A) The middle 50% of the senior citizens sampled are between 65.5 and 73.0 years of age. B) One fourth of the senior citizens sampled are below 65.5 years of age. C) The mean age of senior citizens sampled is 73.5 years of age. D) All the above are correct. g. Identify which of the following is the correct statement. 2.5 marks A) 25% of the senior citizens sampled are older than 81.5 years of age. B) The middle 50% of the senior citizens sampled are between 65.5 and 73.0 years of age