Methods of data presentation a. Diagrammatic presentation; Line and bar graphs‚ Simple and multiple pie charts‚ Pictograms b. Graphical presentation; Histogram‚ Frequency polygon‚ Frequency curves‚’ cumulative frequency curves[ogive]. 4. Averages (measures of central tendency);Arithmetic mean‚Median‚Mode 5. Dispersion – measures of variablility;Range‚Quartile deviation or interquartile range‚ Mean deviation‚ Standard deviation‚Variance‚Coefficient of variation 6. Skewness‚ moments
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conclude that at 0.05 significance levels that the product meets the required specifications? (5marks) (b) The following table shows the number divorces in thousands in United States for the years 1986-1995. Construct a (I) 3years moving average (II) 4years centered moving average YEAR | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | NO. OF DIVORCES | 42 | 55 | 70 | 68 | 79 | 82 | 67 | 72 | 59 | 87 |
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collected the following demand data for the past 8 months: Month Demand for Soft Shag Carpet (1‚000 yd.) 1 8 2 12 3 7 4 9 5 15 6 11 7 10 8 12 a. Compute a 3-month moving average forecast for months 4 through 9. b. Compute a weighted 3-month moving average forecast for months 4 through 9. Assign weights of 0.55‚0.33‚and 0.12 to the months in sequence‚ starting with the most recent month. c. Compare the two forecasts by using MAD. Which forecast appears
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Retail 460 STUDY GUIDE Chapter 2- Data EveryWhere: Types of Data * Qualitative/Categorical: objects being studied are grouped into categories based on some qualitative trait * Nonnumeric * “Dummy” or “Indicator” variables * Male/Female‚ Small/ Medium/ Large * Quantitative/Measurement: the objects being studied are “measured” based on some quantitative trait * The resulting data are a set of numbers * Height‚ Weight‚ Price‚ Unit Sales *
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famous for its superior quality had a direct impact in their customer’s WTP and allowed Samsung to charge a higher price. If we compare the price of a DRAM 256Mb (Exhibit 7a) for example‚ we can see that Samsung charges 12.7% more than the weighted average price of its competitors. Low Cost – The fact that Samsung
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Labor hours 22‚000 28‚000 Capital cost applied to the department ($) $375‚000 $620‚000 Bob knew that his labor cost per hour had increased from an average of $13 per hour to an average of $14 per hour‚ primarily due to a move by management to become more competitive with a new company that had just opened a plant in the area. He also knew that his average cost per barrel of raw material had increased from $320 to $360. He was concerned about the accounting procedures that increased his capital cost
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positioning of TCRS and their competitors. In addition‚ competitive response of TCRS was suggested to counter the current perceived strategies used by competitors. The forecasting method recommended for period 9 is single moving average using absolute change as it yield the lowest mean average deviation of $82. Other forecasting methods are also evaluated and discussed in the report. This would provide options and alternatives when having different considerations. External factors such as economic outlook
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of money generated by the football industry grew exponentially in the late 1990s and early 2000s‚ and has been steadily growing since. Record-breaking financial deals have been negotiated between football clubs and players they sign. With the fast moving pace of the industry‚ clubs and players are bound to undergo some sort of financial advancement into the future. Shares in clubs are a reality now. Eventually‚ players will want to establish themselves as corporations and to issue shares in themselves
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find if he may need to hire or layoff any personnel for the upcoming year. Doing this accurately will help the company reach their goals and insure the companies well being for the future. Freedie Mack will need to use moving average date technique. This technique that averages a number of recent values‚ updated as new values become available (Stevenson‚ 2012 p. 84). Freedie must use the following equation. Ft=Man= n E i-t At-i/n= At-n…+At-z+At-1/n. By taking amounts from each quarter in the corresponding
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MANAGEMENT COLLEGE OF SOUTHERN AFRICA (MANCOSA) ASSIGNMENT COVER SHEET SURNAME FIRST NAME/S STUDENT NUMBER MODULE NAME : MONDO : ANNITA : 117749 : QUANTITATIVE METHODS ASSIGNMENT NUMBER : 1 (ONE) TUTOR S NAME : MR MUPAMBIREYI EXAMINATION VENUE : UNIVERSITY OF ZIMBABWE DATE SUBMITTED SUBMISSION POSTAL ADDRESS E-MAIL CONTACT NUMBERS : 26 SEPTEMBER 2011 : 1 ST SUBMISSION : 156 WAJETSI WAY‚ LETOMBO PARK‚ HARARE : mondoa@dairibord.co.zw : WORK MOBILE COURSE / INTAKE DECLARATION I hereby declare
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