# Assignment: Normal Distribution and Business Forecasting Assignment Words: 239

Meaning of Classification and Tabulation Differences between Classification and Tabulation Structure and Components of a Table with an example 10 Assignment: Normal Distribution and Business Forecasting By ravishment’s a) Describe the characteristics of Normal probability distribution. B) In a sample of 120 workers in a factory, the mean and standard deviation of wages were RSI. 1 1. 35 and RSI. 3. 03 respectively. Find the percentage of workers getting wages between RSI. 9 and RSI. 17 in the whole factory assuming that the wages are normally distributed.

Characteristics of Normal probability distribution Formula/Computation/Solution to the problem 6 a) The procedure of testing hypothesis requires a researcher to adopt several steps. Describe in brief all such steps. B) Distinguish between: I. Stratified random sampling and Systematic sampling lie. Judgment sampling and Convenience sampling Hypothesis testing procedure Differences (3 each) a) What is regression analysis? How does it differ from correlation analysis? B) Calculate Karl Person’s coefficient of correlation between X series and Y series.