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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.

QMT110 OCT2010

QUESTION 1 Blies Corporation manufactures certain chemical processors. The following data are the number of chemical processors produced by the company sampled over a period of 16 days in March 2009. 27 33 23 24 23 32 28 39 35 40 33 41 25 22 41 33 a) Calculate the mean and standard deviation for these data. (4 marks) b) Determine the modal value and explains its meaning. (2 mark) c) Compute the quartile deviation for these data. (4 marks) QUESTION 2 From a survey on daily expenses of housewives in Town A, the following data are obtained. Daily Expenses (RM) Number of Housewives 8-17 64 18 - 27 90 28 - 37 26 38 -47 20 a) Calculate the mean daily expenses and Its standard deviation. (5 marks) bj Calculate the median daily expenses and explains its value. (4 marks) c) Given the mean and standard deviation of daily expenses of housewives in Town D are RM25.72 and RM8.76 respectively. Determine which of the two towns has more dispersed daily expenses