1. A radio station that plays classical music has a “By Request” program each Saturday night. The percentage of requests for composers on a particular night are listed below: Composers Percentage of Requests Bach 5 Beethoven 26 Brahms 9 Dvorak 2 Mendelssohn 3 Mozart 21 Schubert 12 Schumann 7 Tchaikovsky 14 Wagner 1 a. Does the data listed above comprise a valid probability distribution? Explain.
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MAY SEMESTER 2014 BUSINESS COMMUNICATION ASSIGNMENT 1 PREPARED BY: NORAZMILAWANI BINTI SHAM MATRIX NO: IOC000098 PART A Description the background of the selected organization for the Marketing position. This is description of Nestle Malaysia Bhd. background: February 2‚ 2014 Nestlé (Malaysia) Berhad (110925-W) 22-1‚ 22nd Floor‚ Menara Surian No. 1‚ Jalan PJU 7/3‚ Mutiara Damansara 47810 Petaling Jaya Selangor‚ Malaysia. Norazmilawani Binti
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ASSIGNMENT SUBMISSION FORM Course Name: SMMD Assignment Title: Assignment 1 (HousePrices.jmp) Submitted by: Garima Agrawal (Section D) (Student name or group name) Group Member Name | PG ID | Garima Agrawal | 61410506 | Question1: The data for home values has a considerable wide range (429578) as compared to the inter-quartile range (93522). This means the data has a huge spread and the same can be verified from coefficient of variation which is even more than 41%. Besides
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QUESTION 3 (20 MARKS) a. A psychological test identifies people as being one of eight types. For instance‚ Type 1 is “Rationalist” and applies to 15% of men 8 % of women. Type 2 is “Teacher” and applies to 12% of men and 14% of women. Each person fits one and only one type. (i) Suppose college roommates have a particularly hard time getting along with each other if they are both ‘ Rationalist’. A college randomly assigns roommates of the same gender. Assuming that half of college roomate pairs
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Confidence Intervals and Hypothesis Testing Name: Math 256‚ Nelson 1. A soft-drink machine is regulated so that the amount of drink dispensed is approximately normally distributed with a standard deviation equal to 1.5 deciliters. Find a 95% confidence interval for the mean of all drinks dispensed by this machine if a random sample of 36 drinks had an average content of 2.25 dl. 2. The heights of a random sample of 50 college students showed a mean of 174.5 centimeters. Assume the
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Investigating Bottling Company Case Study T.P University Statistics Mat 300 Mr. Thevar December 01‚ 2013 Investigating Bottling Company Case Study The case study that is being investigated is for a bottling company producing less soda than what is advertised. Customers have complained that the sodas in the bottles contain less than the advertised sixteen ounces. The employees at the company have measured the amount of soda contained in each bottle. There are thirty bottles that have
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Descriptive Statistics 1.1 Descriptive vs. Inferential There are two main branches of statistics: descriptive and inferential. Descriptive statistics is used to say something about a set of information that has been collected only. Inferential statistics is used to make predictions or comparisons about a larger group (a population) using information gathered about a small part of that population. Thus‚ inferential statistics involves generalizing beyond the data‚ something that descriptive
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How to Lie with Statistics Summary There are some people that rely heavily on the statistical information provided by the media‚ government‚ and other research groups in order to form opinions or come to a conclusion on a particular idea or product. However they fail to realize that a lot of the time the data is manipulated in such a way that leads them to believe something that is not actually the case. Statistics can lie in many ways the first way is by using a sample that has a bias. For instance
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QM2 Project Case Study 1- Consumer Characteristics Index Sno Title Page.no 0 | Introduction | 3 | 1 | Summarizing data using Descriptive Statistics | 4-6 | 2 2.1 2.2 | Estimated regression equations. Independent Variable- Annual Income. Independent Variable- Household Size | 7 8 9 | 3 | Better predictor of annual credit card charges | 10 | 4 | Independent variables- Annual income and Household size | 11 |
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LESSON – 1 STATISTICS FOR MANAGEMENT Session – 1 Duration: 1 hr Meaning of Statistics The term statistics mean that the numerical statement as well as statistical methodology. When it is used in the sense of statistical data it refers to quantitative aspects of things and is a numerical description. Example: Income of family‚ production of automobile industry‚ sales of cars etc. These quantities are numerical. But there are some quantities‚ which are not in themselves numerical
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