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Historical Background of Students t Distribution Students t distribution was published in 1908 by a statistician named William Sealy Gosset. His employer, Guinness Brewery, forbade employees from publishing research, so he used the pen name "Student." It literally means "Student's t-distribution," not a distribution for students! Historical Background of Students t Distribution Students t Distribution Introduction Normal and Students t Distribution…

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The consumer price index numbers is constructed to measure the aggregate change in the cost of a fixed basket of goods and services purchased at current prices with its cost and a given period (called the base), which is always taken as hundred. The consumer price index numbers are also called cost of living index. Consumer Price Index When is Consumer Price Index Used?

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