b) The number of planes to arrive at the Dubai International Airport over N days were recorded and inputted into MINITAB for analysis. Exhibit 1 was subsequently generated. Exhibit 1 Stem-and-Leaf Display: No. of Arrival Leaf Unit = 1 N = * 5 2 01123 10 56899 * * W WN 0001123 (* * * ) 6666678888 12 4 01134 7 4 57789 2 5 00 i. Calculate he missing values *, ** and *** [3] ii. Find the value of the a) Median b) Highest value EEE c) Modec) Using the stem and leaf diagram in Exhibit 1, i. Form a frequency table by identifying the class intervals implicitly. [2] Using the table created in 2ci} above, ii. Calculate the sample mean [2] iii. Calculate the sample variance [3]