PROVIDE TYPED WRITING SO THAT I CAN UNDERSTAND BETTER.

Kindly reply with correct answers and step by step working.mention clearly about the formula and conversion.do not skip steps.

Q1

MEASURE OF POSITIONS

The data below is about the profit earned (in RM) by a sample of petty traders in a day business. 100 200 250 350 355 370 400 420 440 455 550 Present the above data in the form of a box-plot. (7 marks)a) The following data represent the percentages of respiring bacteria in 25 raw sewage samples collected from a sewage plant. 4.2 5.6 4.1 3.6 2.8 4.7 4.8 4.8 4.5 3.9 3.3 3.7 4.1 4.9 5.1 3.8 3.5 2.7 3.3 4.6 4.5 4.3 4.1 3.8 4.4 Construct a stem-and-leaf plot for the data. ii. Determine the maximum, minimum, first quartile, third quartile and median values of the above data. iii. Construct a box-and-whisker plot. Comment on the shape of the distribution. (13 marks)