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4) A subset of the MAST 333 data on age is provided below, alongside its dot plot. 24 26 22 21 20 233125 22 34 22 26 24 24 24 2031 222323 20 24 26 28 30 32 34 age_subset 4a) Calculate the mean, median, and mode (2 points) 4b) Calculate the standard deviation points) 4c) What percentage of observations would you expect to be within two standard deviations from the mean? (2 points) 4d) Calculate the z-scores for the largest and smallest values. Based on the criteria of z- scores larger than (absolute value) of 2, are there any outliers? (2 points)

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23.5 26 3.64 7-Le me fof Smallest ualuu 20-24.3m 는 36

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