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 ANS CLEARLY

STA JUNE2018

QUESTION 3 The table below shows the production efficiency scores of poultry egg farming using system A by 35 farmers. Score Number of farmers 0.70 - 0.75 4 0.75 - 0.80 0.80 - 0.85 0.85 - 0.90 6 0.90 - 0.95 0.95 - 1.00 10 a) Calculate the mean and standard deviation for the above data. (5 marks) b) Explain the mean value calculated in (a). (1 mark) c) Draw a histogram to represent the production scores of poultry egg farming. (4 marks) d) From the histogram, evaluate the modal value of the production score of poultry egg farming. Explain the value obtained. (3 marks) e) Given that the mean and standard deviation of production scores using system B is 0.75 and 0.093 respectively, decide which production system is more consistent in poultry egg farming. (4 marks)