1. The table below gives data on the heights, in cm, of 51 children. Class Interval 140 - 150 150 - 160 160 - 170 170 - 180 Frequency 6 16 21 8 Calculate:- A. AM B. Median C. P27 D. Mode Q2. The number of days that students were missing from school due to sickness in one year was recorded. Number of days off sick 1 - 5 6 - 10 11 - 15 16 - 20 21 - 25 Frequency 12 11 10 4 3 Find:- A. Median B. D9 C. Q1 & Q3 Q3. The number of service upgrades sold by each of 30 employees is as follows: 32, 6,21, 10, 8, 11, 12, 36, 17, 16, 15, 18, 40, 24, 21, 23, 24, 24, 29, 16, 32, 31, 10, 30, 35, 32, 18,39, 12, 20 What is the median and variance of service upgrades sold by the 30 emplovees? Q4. A gardener buys 10 packets of seeds from two different companies. Each pack contains 20 seeds and he records the number of plants which grow trom each pack Company A 20 5 20 20 6 20 20 20 8 Company B 17 18 15 16 18 18 17 15 17 18 A. Find the mean. median and mode for each company's seeds B. Which company does the mode suggest is best? C. Which company does the mean suggest is best? D. Find the range for each companv's seeds