Answer Happy

- Twenty-five randomly selected, uncompligated appendectomies lasted for the following lengths of time (minutes): 113 118 12N 123 26 128 130 135 136 137 138 139 11.40 140 142 142 142 143 155 42 157 158 159 164
a) Diye the formulas fot ungrosped data to calculate the following using the dataset in question 6: (1) the sample mean the sample variante the sample standard deviation (iv) the sample median (v) the quartiles (vi) the Interquartile Range IR). Compare the results found in question 6 (d) 6)-(iii) to question 7 (1)-(i), respectively, cuired to write down your findings). b) Generate a yox-whisker plotusleg the ungrouped data in question (6). c) Generate a ster-and-leaf plot for the ungrouped data in question (6). d) Comment on the distribution of this data set using the illustrated diagrams in questighs 7 (b) and 7 (c) e) Is the mean or the median a better measure of location? (Motivate your answer), f) Determine whether there are outliers in the data by making use of the (1) Empirical Rule (ii) Interquartile Range, IQR.