GIVE TYPED WRITING SO I CAN UNDERSTAND CLEARLY.

Kindly give correct answers and step by step working.do not skip steps.Mention clearly about the formula and the conversion.be very clear.do not skip steps.be very clear.NUMBER THE ABS CLEARLY

STA DEC2018

QUESTION 2 Data below shows the number of pumpkins harvested by 20 farmers on a particular day. 64 89 62 79 78 57 88 83 67 65 52 70 55 52 74 74 78 51 58 71 a) Construct the stem and leaf plot for the given data. (3 marks) b) Find the first, second and third quartile of the number of pumpkins harvested by the farmers. (6 marks) c) Interpret the value of the first quartile obtained in part (b). (1 mark) d) Calculate the quartile deviation of number of pumpkins harvested. (2 marks) QUESTION 3 The following data represents the time taken (in minutes) by a group of students to complete an experiment in laboratory. Time taken (in minutes) Number of students 1 - 20 N 21 - 40 41 -60 61 - 80 25 81 - 100 15 a) Construct a histogram for the above data. (3 marks) b) From the histogram, find the value of X if most of the students completed an experiment in X minutes. (2 marks) c) Calculate the mean and standard deviation for the above data. (5 marks)d) Find the median value for the above data and explain the value obtained. (4 marks) e) Calculate the Pearson Coefficient of Skewness and interpret its meaning