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please help me out for solving this questions of statistics subject as soon as possible please do solution of these question by written formula and

please help me out for solving this questions of statistics subject as soon as possible

please do solution of these question by written formula and explain each and every step

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Q2.Calculate Mean Deviation coefficient from the following data and interpret the result Marks in Statisticst) 20 Marks in Accounts(Y) Q3. Suppose your midterm test score is SO and your final exam score is 95. Using weights of 40% for the midterm and 60% for the final exam, compute the weighted average of your scores. If the minimum average for an A grade is 90, will you earn an A grade? (2} Q4. The Trading Post on Bhavnagar is a small, family-run store in a remote part of Gujarat. The Bhavnagar region contains many good fishing lakes, so the Trading Post sells spinners (a type of fishing lure]. The store has a very limited selection of spinners. In fact, the Trading Post has only eight different types of spinners for sale. The prices (in dollars) are 2.10 1.95 2.60 2.00 1.85 2.25 2.15 2.25 Since the Trading Post has only eight different kinds of spinners for sale, we consider the eight data values to be the population.Compute the CV of prices for the Trading Post and comment on the meaning of the result. Baba's Fishing tackle store Vizag, Andhra Pradesh, is a very large outfitter that carries a broad selection of fishing tackle. It markets its products nationwide through a catalog service. A random sample of 10 spinners from Baba's extensive spring catalog gave the following prices (in dollars]: 1.69 1.49 3.09 1.79 1.39 2.89 1.49 1.39 1.49 1.99 Compare the mean, standard deviation, and CV for the spinner prices at the Bhavnagar Trading Post and Baba's store. Comment on the differences. [4)

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