Lecture Notes: Statistics A note on basic statistics Statistics is the practice or science of collecting and analyzing numerical data in large quantities. So there are two parts1. Collection of Data 2. Analysis of Data- understanding what the data says. Steps in Statistics To carry out any statistical operation‚ the following steps need to be followed‚ in the given order: 1. 2. 3. 4. 5. 6. Sampling Estimation Hypothesis Generation Testing Regression Prediction Collection of Data: Sampling
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Statistics in Business QNT/275 January 12‚ 2015 Kim Gravelle Statistics in Business Statistics are simply a way of gathering information from data. Learning from data is the essential use of statistics. The extraction of answers from data provides the foot print for further investigation and research. There are several different types and levels of statistics‚ they are nominal‚ ordinal‚ interval‚ and ratio ("Data Levels of Measurement"‚ 2014). The first level being nominal‚ allows for the use
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DEPARTMENT OF CHEMICAL ENGINEERING Indian Institute of Technology Madras Chennai – 600 036 CH 3080 Process Equipment Design Problem set – IA 1. Crude oil‚ specific gravity of 0.887‚ flows through the piping shown in Figure. Pipe A is 50-mm Schedule 40‚ pipe B is 75 mm Schedule 40‚ and each of pipes C is 38-mm Schedule 40. An equal quantity of liquid flows through each of the pipes C. The flow through pipe A is 6.65 m3/h. Calculate (a) the mass flow rate in each pipe‚ (b) the average linear
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of top 100 banks in the United States according to the total assets. Leading the list was Bank of America‚ followed by JP Morgan Chase and Citibank. Following is an Excel Analysis of total assets ($ billions) of these banks using the descriptive statistics feature. Study the output and describe what you can learn about the assets of these top 100 banks from the output. Top 100 Banks in the U.S Mean Standard Error Median Mode Standard Deviation Sample Variance Kurtosis Skewness Range Minimum
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Chapter one summary The use of statistics is research is noted in this chapter. It reveals that statistical procedure could be segregated into two section and they are descriptive and inferential. In analyzing both descriptive statistics does exactly what it says‚ it describes the set of data. The problem is presented and descriptive statistical basically describes what the data has to say about the same issue. However inferential statistics main goal is making predictions or inferences about
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Statistics For Management 1. Introduction 2. Statistical Survey 3. Classification‚ Tabulation & Presentation of data 4. Measures used to summarise data 5. Probabilities 6. Theoretical Distributions 7. Sampling & Sampling Distributions 8. Estimation 9. Testing of Hypothesis in case of large & small samples 10. Chi-Square 11. F-Distribution and Analysis of variance (ANOVA) 12. Simple correlation and Regression 13. Business Forecasting 14. Time Series Analysis 15 . Index Numbers Indian
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not = 440 Statistic 4.9 With 98% confidence Lower limit 3.05348411 Upper limit 24.7249703 With 98% confidence we cannot reject Ho since the statistic is inside the acceptance zone b) Check the same hypothesis with 95% confidence. With 95% confidence Lower limit 3.81574825 Upper limit 21.9200493 With 95% confidence we cannot reject Ho since the statistic is inside
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While Statistics can also be misused in many ways such as using not representative samples‚ small sample size‚ ambiguous averages and dispersions‚ detached facts‚ implied connections‚ wrong and misleading graphs‚ wrong use of statistical techniques‚ serious violation of assumption behind the statistical techniques and faculty surveys‚ we should also realize that Statistical literacy is not a skill that is widely accepted as necessary in education. Therefore a lot of misuse of statistics
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Tudor Statistics In 1524‚ 2.3million people populated England and Wales only 3% of the population lived in London 6% of the population lived in urban areas CONTACT US: Contact Details - Stylist Staara’s Home Hairdos. var UA = confirm("Have you visited the ’Hair styles and Price list’ page yet? Yes/No") if (UA === true) { confirm("Good‚ I hope you enjoyed looking. Click ’Cancel’ to contiue.")
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------------------------------------------------- Office Equipment Company Case Study ------------------------------------------------- International Management CONTENTS I. SUMMARY II. THE PROBLEM III. ALTERNATIVE SOLUTIONS IV. BEST SOLUTION V. IMPLEMENTATION OF BEST SOLUTION I. Summary The Office Equipment Company OEC was a company that manufactured a wide variety of small office equipment in eight different countries. In one of the‚ El Salvador‚ they encountered the problem
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