1 LANGLEY HIGH SCHOOL 2013 AP STATISTICS SUMMER ASSIGNMENT Welcome to AP Statistics! You have selected a course unlike any other math course. The purpose of this Summer Assignment is to: 1. Give you information on what to expect‚ and how this course is different from other math courses. 2. Refresh your knowledge on statistics topics that you should know prior to this course. 3. Give you a chance to demonstrate your ability to analyze data and write conclusions. The Assignment is divided
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While I was reading the driver death and injury statistics‚ there were many statistics that surprised me. Firstly that distracted driving was so low on the list. Another statistic that surprised me was how many teens were killed or injured in crashes in 2015 alone. A third statistic that surprised me was that running off the road was the most common cause of crashes in teen drivers.As stated in my first paragraph‚ the fact that distracted driving was not higher on the list really surprised me
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the CEO. He went to an Italian coffee house in Italy and wanted the same format in Starbucks. The idea was to still sell the same products but with a coffee house setting. This idea is an example of what international business is. International business is a world where business is done globally rather than domestically. An example of this would be‚ 10 years ago Toyota (a Japanese company) would be considered a Japanese car but today it would be considered a global car since all the parts are made
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general retail and apparel businesses are struggling while footwear and furniture have been flourishing. Its apparel business has dropped in earnings from $6.7M in 1986 to $2.0M in 1988. This represents a -19.70% drop in earnings as a percentage of total Interco earnings from 1987 to 1988. The general retail business has been stagnant. Its earnings slightly increased while its business has not grown much. Therefore‚ since the overall performance of the company is improving‚ although some divisions are
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SAE220 Business and legal studies Lesson 6 Overview 2 Revision § Recap of week 5 and homework 5 § Business Functions: Human Resources § Cash Flow‚ Profit & Loss‚ Balance Sheet § plans and Projections § Sales forecasting § Book keeping and account management § Calculating staffing costs § Homework 6 revision 4 Business Plan – Introduction § Exercise 1 § Seminar presentations § Publicity and PR | Gabriel / Wadah § Direct Marketing | Jack / Nour § Advertising
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CI for pop mean: x±z*(σn) n=(z*σME)2 Reduce ME 1. Lower confidence 2. reduce σ ------------------------------------------------- 3. increase n HT for pop mean ------------------------------------------------- z=x-μσ√n Errors I=P(reject H0/H0 true)=α II=P(accept H0/H0 wrong) Power=1-β Increase pow 1. increase α 2. consider alternative µ that is farther than hypothesized µ 3.increase n ------------------------------------------------- 4.decrease σ One sample t CI x±t*s√n One
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• Defining What Statistics Really Is 1.1 Nature of Statistics The term “Statistics” came from the Latin word ‘status’ which could be translated as ‘state’. The usage of this term only became popular during the 18 th century where they defined Statistics as “the science of dealing with data about the condition of a state or community”. The practice of statistics could be traced back even from the early biblical times where they gather figures related to governance of the state for they realized
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Case Study: Condo Sales Case A. Brief introduction to the case This case involves an investigation of the factors that affect the sale price of oceanside condominium units. The sales data were obtained for a new oceanside condominium complex consisting of two adjacent and connecting eight-floor buildings. The complex contains 200 units of equal size (approximately 500 square feet each). Variables • Dependent variable 1. Sale price: Y • Independent variables 1
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Q1. Why is Amazon’s cash cycle so much shorter than that of competitor Barnes & Noble? How does this comparison affect financial management decisions of other retailers? The market value of Amazon is much higher than Barnes & Noble. They are also in better marketing position then Barnes and Noble. Barnes & Noble has been on the rocks for a long time and failed to make headway in international markets with their Nook ereaders. The best answer I can give is because Amazon is a much larger company
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Problem 8-3. For each of the following situations‚ the present value concept should be applied: 1. Your wealthy aunt just established a trust fund for you that will accumulate to a total of $100‚000 in 12 years. Interest on the trust fund is compounded annually at an 8% rate. How much is in your trust fund today? 2. On January 1‚ you will purchase a new car. The automobile dealer will allow you to make increasing annual December 31 payments over the following four years. The amounts
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