Assignment:
The following data are numbers of passengers on flights of Delta Air Lines between San Francisco and Seattle over 33 days in April and early May.
128, 121 , 134, 136, 136, 118, 123, 109, 120, 116, 125, 128, 121,129,130,131,127,119,114
134,110,136, 134, 125, 128, 123, 128, 133, 132
Find the lower, middle, and upper quartiles of this data set. Also find the 10th, 15th, and 65th percentiles. What is the interquartile range?
Provide complete and step by step solution for the question and show calculations and use formulas.