. What kind of chart would you use to display the evolution of a share price over 3 years?Q2: Why would you use this chart?Q3. You wish to monitor debt repayments for your customers with debts exceeding 1900 cu. You sample 10, and find that last month they paid:110. 100 126 109 117 145 93 86 114 97Q3 a) Calculate the standard deviationQ3 b) Calculate the meanQ3 c) Calculate the varianceQ3 d) Calculate the medianPart 2Q4. You have just started a brief internship for a company that imports, blends, packages and sells tea, and have been assigned to the quality control department. The company must package the tea into 100 g packs. If an inspector catches the company selling less than 98 g in any packet, it will be heavily fined. The company sets the tea scale at 101 g. You know that the standard deviation is 1.5 g, that the mean is 101 g, and that the weight distribution follows a Normal pattern.
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