WEEK FOUR DQ1 Explain the importance of random sampling. What problems/limitations could prevent a truly random sampling and how can they be prevented? Probability sampling‚ also known as random sampling‚ requires that every member of the study population have an equal opportunity to be chosen as a study subject. For each member of the population to have an equal opportunity to be chosen‚ the sampling method must select members randomly. Probability sampling allows every facet of the study population
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ABC analysis (Inventory) In supply chain‚ ABC analysis is an inventory categorization method which consists in dividing items into three categories‚ A‚ B and C: A being the most valuable items‚ C being the least valuable ones. This method aims to draw managers’ attention on the critical few (Aitems) and not on the trivial many (C-items). Prioritization of the management attention Inventory optimization is critical in order to keep costs under control within the supply chain. Yet‚ in order
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BUS 105e: Statistics By Dr Tony Halim GBA: 27 February 2013 Done by: Koh En Song Andrew (Q1211397) Melissa Teo Kah Leng (E1011088) Woon Wei Jie Jared T 04 1. Over the span of 100 days‚ the total revenue for Unicafe North and Unicafe West is $21876.60 and $22042.00 respectively. The average revenue for Unicafe North is $218.77. The average revenue for Unicafe West is $220.42. The highest revenue occurred on the 88th day for both outlets. The lowest revenue occurred on 39th day for
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Heather Rajski English 093-A5B Argument/Persuasive Essay Draft #1 10-31-2012 "Beating the Statistics" Statistics show eighty-five percent of youth in prison‚ seventy-one percent of high school dropouts‚ ninety percent of homeless and runaway children have an absent father. Fatherless children and youth exhibit higher levels of: depression and suicide‚ delinquency and teen pregnancy‚ behavioral problems‚ illicit and licit substance abuse‚ diminished self-concepts‚ and
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Assigmnment 1 Question 1: Give a comprehensive account of the importance of Statistics to you (i) as a government agent‚ (ii) as a Public Administrator‚ (iii) as an individual Statistics‚ is study of the systematic collection‚ organization‚ and interpretation of data. This includes the planning of data collection in terms of the design of surveys and experiments. Is is therefore safe to say that Statistics‚ as a discipline‚ is the development and application of methods to collect‚ analyze and
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Bar code‚ RFID for tracking‚ EOQ for ordering‚ ABC for controlling‚ VMI‚ MRP‚ JIT for replenishment. ABC Analysis: “Implementing controls for large inventory systems becomes rather cumbersome because each item requires managements of order cycle and quantity. The inventory control problem is greatly simplified as only a few groups rather than many items will have to be controlled. This method is the ABC analysis.” (Odanakaa ‚ 1987) Under ABC method all items are classified based on their
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hypothesis: The mean regular unleaded gas prices for your region is the same as that in the study µ 0 = 3.16 Alternate hypothesis: The mean regular unleaded gas prices for your region is greater than that in the study µ A > 3.16 Find the t-test statistic: t=(x(bar) - µ 0 )/(s/sqrt(n)) t = (3.1948 – 3.16)/(0.0889/sqrt(25)) t = 1.957255343 Find the P-value: P = 0.03102312 Write a conclusion in context. Since we are using a 1% level of significance‚ the -level is 0.01. Since P> 0.01‚ we
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religion but it can also bring back memories and moments. The taste of food can trigger a memory of you being somewhere‚ with someone‚ doing something. The kind of food you make can help you remember a person or a time. While reading the book “Mariam’s Kitchen”‚ written by Elizabeth Ehrlich‚ I came across
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employee for ABC Company‚ who is working on an assignment that includes establishing land that was recently obtained by ABC to construct an adult entertainment retail locations. The land is located where Luke’s brother Owen lives‚ and the development of the entertainment centers in the neighborhood will decrease the property values substantially. Owen has a fair offer on the table to sell his house‚ but Owen is analyzing if he could sell it for more once the real estate market improves. The ABC Company
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Official statistics are published by the Home Office regarding the number of different types of crimes committed and the backgrounds of those responsible. Official statistics are published annually and are used to compare the difference in crime year by year‚ from this government policies are revised and adjusted where they see fit. Some sociologists see the statistics as an invaluable source of information whereas others question their accuracy. Positivists and Functionalists have taken official
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