4. The following data set is the same data set used in the previous problem. The following data set shows the number of days a sample of Covid patients reported along lasting cough following their rst negative test after having Covid. For your convenience, the data has been placed in numerical order. 12 13 13 14 14 14 15 15 15 16 16 16 16 16 17 17 17 18 18 18 18 18 19 19 19 19 19 2O 20 20 20 20 20 20 21 21 21 21 21 21 22 24 25 28 31 a. [3 points] Determine the median of the data set be [3 points] Determine the range of the data set c. [5 points] Determine Quartile 1. dt [5 points] Determine Quartile 3