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A survey was conducted among 20 adults. The following shows the age of the respondents. 44 47...

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Basic Math

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)

Answer & Explanation Solved by verified expert
4.4 Ratings (616 Votes)
1 Mean x is total of all data pointsMean 113020 565Median There are total 20 data points so 2nd quartile or median ofthe data set is average of the 10th and 11th observation in theordered ascending order    See Answer
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