What is Least Square Method? The Least Square Method (LSM) is a statistical technique used to find the best-fitting curve or line for a set of data points by minimizing the sum of the squares of the differences (residuals) between the observed values and the values predicted by the model. It is widely used in […]
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Describe briefly the questionnaire method of collecting primary data. State the essentials of a good questionnaire. Introduction The questionnaire method is one of the most effective and widely used techniques for collecting primary data in research. It involves asking a set of predefined questions to respondents, who provide their answers either in written or electronic
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Q1. Draw the decision tree diagram and explain the best possible decision based on EMVs (Expected Monetary Values) On the 1st April 2023, Rajinder Saproo, an investor is in a dilemma for the investment of 10 lakh INR. He has consulted his Mumbai based friend, MukulBhai Gadhecha, an investment expert for this matter. Mr Saproo
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There are 15 boys and 10 girls in the class. If three students are selected at random, what is the probability that 1 girl and 2 boys are selected? A. 1/40 B. 1/ 2 C. 21/46 D. 7/ 41 E. None of these The correct option is: C Solution: Total number of ways of selecting
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2022BUSINESS ADMINISTRATION- HONOURS : CALCUTTA UNIVERSITY Paper BBA-A202-C-3(Statistics for Business Decisions)Full Marks : 80 The mean, median, and standard deviation of a distribution are 45, 42, and 18 respectively, to find the skewness of the distribution. The formula for Pearson’s coefficient of skewness, which is a measure of the asymmetry of a distribution. A positive skew
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My blog contains study material on the subject business statistics. The study material is written and compiled from various books for the benefits of management students. BBA & MBA students from any universities can refer the material for making notes and examination preparation.
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