5) Z = (12.081 – 12) / (.21/√30) = 2.11264 The observed value lies outside the rejection region, so we fail to reject H0. 6) P-value is .034 for a two-tailed test 2) Sample 1 Standard Deviation = 0.22035603 Sample 2 Standard Deviation = 0.22035603 Sample 3 Standard Deviation = 0.207170594 Sample 4 Standard Deviation = 0.206108999 Yes it appears
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Assignment 1 Standards Research Yvonne Mitchell Strayer University Summer 2015 Dr. Constance Blanson Communication Technologies Assignment 1: Standards Research Abstract Information technology is at the center of daily operations for millions of people around the world. Almost everyone uses at least one piece of technology in his or her everyday routine, whether it is a cell phone/smartphone, laptop computer, tablet, or other device. With that being said, standards are implemented to help
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STATISTICS - PRACTICE QUESTIONS A national auto company wants to learn what are the important design features that drivers prefer in their cars. A market researcher randomly selects 500 drivers under 35 years of age and 300 drivers over 35 years of age. 1. The population is: a. The national auto company b. The design features that drivers prefer in their cars c. The market researcher d. All drivers e. The 500 drivers under 35 and the 300 drivers over
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of households in City 2. She surveys 35 households in City 1 and obtains an average weekly food expenditure of $164. A sample of 30 households in City 2 yields an average weekly expenditure of $159. Historical data reveals that the population standard deviation for City 1 and City 2 are $12.50 and $9.25, respectively. City 1 City 2 x1(bar)=164 x2 (bar) =159 σ(1)=12.5 σ(2) =9.25 n(1)=35 n2=30 Let μ(1) be the mean weekly food expenditure for City 1
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FINC-UB.0030 International Financial Management Fall 2015 Problem Set #1 This problem set is due in class on Wednesday, September 21. You may collaborate with your classmates in preparing the solutions, but each student must hand in a separate assignment. If you do receive help or work with another student on the assignment, you must note this fact at the beginning of your solutions. Please remember to put your name and section number or time at the top of the first page and to staple all the
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distribution (JITD) but is facing resistance not just externally but also internally. Objective of JITD program: 1) To reduce the extreme fluctuation in demand as clearly illustrated in exhibit 12. The demand pattern shown in exhibit 12 has a high standard deviation of 227 quintals with a mean of 300 quintals. 2) To avoid stockouts like situations as it would lead to opportunity loss not just to the distributor but also to Barilla. With the existing system, stockouts occur quite frequently
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• Such future deviations from expectations represent, from today’s perspective, risk. • Standard deviation measures this risk (“average deviation from expectation”). Portfolios • When you form portfolios of securities, you combine the “expected returns” and “risks” of the individual securities in a particular way. • There are two ways to calculate the portfolio’s expected return and standard deviation from information about the individual securities. Method 1 STEP 1: Compute the
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Project part 1 1. Pick a mutual fund. The mutual fund we pick is Fidelity Focused Stock (Ticker: FTQGX) 2. Calculate the return. Monthly return for R1000V, R1000G, R2000V, R2000G and our mutual fund FTQGX is in the spread sheet named project part1_mutual fund. 3. Style analysis Here is the statistic style analysis we do in the spread sheet – project part1_mutual fund. ( the steps is just replace data from the original excel, then use solver) 1 R1000V R1000G 0.9 0.8 0.7 0.6
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Inventory Management 1. Scratches Inc. uses an average 6000 CD cases per day with a standard deviation of 250 cases. The company orders CD cases from an outside supplier. Each order takes 9 days to be delivered. The ordering cost is $75 per order. The holding cost is 1 cent per case per year. The business is open for 360 days a year (a) What order size will minimize the annual inventory costs? 180, 000 cases (b) Calculate the total annual holding cost if the order size is 216,000.
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------------------------------------------------- EE 5351 Digital Video Coding Project #4 1001112760
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