A survey was conducted among 20 adults. The following shows theage of the respondents.
44 47 47 47 47 52 53 53 54 54
55 56 57 58 58 64 66 66 69 83
(1) Please calculate the mean, median, 1st quartile (i.e. 25thpercentile), 3rd quartile (i.e. 75th percentile), and IQR for theirage. (2 points for each question, 10 points in total)
(2) For the above 20 adults, are there outliers (i.e. are therepeople with extreme age)? Please show your calculations foridentifying the outliers. (2 points)
