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Statistics Table of Contents InTRODUCTION 1

   

Added on  2021-02-20

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STATISTICS
Statistics Table of Contents InTRODUCTION 1_1
TABLE OF CONTENTSINTRODUCTION...........................................................................................................................1QUESTION 1...................................................................................................................................1a. Constructing frequency distribution with application of 10 classes........................................1b. Constructing histogram...........................................................................................................2c. Calculating mean, median and mode......................................................................................2QUESTION 2...................................................................................................................................2a. Is above a population or a sample...........................................................................................2b. Calculating standard deviation................................................................................................3c. Calculating Interquartile range of chocolate bar sold.............................................................3D. Calculating correlation coefficient.........................................................................................3QUESTION 3...................................................................................................................................4A. Calculating and interpreting regression equation...................................................................4b. Calculating and interpreting coefficient of determination......................................................5QUESTION 4...................................................................................................................................5a. Probability of Holmes or receiving Grass roots training.........................................................5b. Probability of External and scientific training.......................................................................6c. Conditional probability of player in Holmes with scientific training.....................................6d. Assessing that training is independent from recruiter.............................................................6QUESTION 5...................................................................................................................................7A. Probability consumer comes from segment A if it is known that this consumer prefersProduct X over Product Y and Product Z...................................................................................7B Probability that random consumer's first preference is product X .........................................8QUESTION 6...................................................................................................................................8A. Probability that 2 or less of those 8 people would not purchase anything.............................8QUESTION 7...................................................................................................................................8A. Assuming a normal distribution, assess probability that apartment would sell over $2million.........................................................................................................................................9B Probability that apartment would sell over $1 million but less than $1.1 million...................9
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QUESTION 8.................................................................................................................................10A. Z test could be implied or not..............................................................................................10B. Probability that 30% investors will be willing for commit $1 million or more...................10CONCLUSION..............................................................................................................................11REFERENCES..............................................................................................................................12
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INTRODUCTIONStatistics is known as branch of mathematics working with data collection, analysis,organization, presentation and interpretation (Amrhein, Trafimow and Greenland, 2019). Thepresent report is on basis of understanding principles and techniques of business research andstatistical analysis. It will provide appropriate evaluation of valid statistical techniques forsolving business issues. In the same series, it will give proper justification of outcome ofstatistical analysis with reference to business problem solving. Moreover, it will give applicationof statistical knowledge for summarising data graphically and even interpretation which is bestfit business solution. Simultaneously, it will articulate about probability with different methodsas Z score, normal distribution and many more.QUESTION 1a. Constructing frequency distribution with application of 10 classesminimum169maximum3045Range2876Class width288Sample size60ClassFrequencyRelativefrequencyCumulativerelativefrequencyClass midpoint169 – 457170.280.28312.80458 – 745130.220.50601.40746 – 103490.150.65890.001035 – 132270.120.771178.601323 – 1611 50.080.851467.201612 – 190020.030.881755.801901 – 218820.030.922044.402189 – 247720.030.952333.002478 – 276510.020.972621.602766 – 305420.031.002910.201
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