Week 5 Problems Applied Business and Research Statistics 561 1. SupplyCo. is a supplier to a number of firms in an industry. By carefully mining its customer data warehouse‚ SupplyCo. reveals a plausible new model for manufacturing and distributing industry products that would increase the overall efficiency of the industry system‚ reduce costs of production (leading to greater industry profits and more sales for SupplyCo.)‚ and result in greater sales and profits for some of the industry’s
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DATA COLLECTION Business Statistics Math 122a DLSU-D Source: Elementary Statistics (Reyes‚ Saren) Methods of Data Collection 1. 2. 3. 4. 5. DIRECT or INTERVIEW METHOD INDIRECT or QUESTIONNAIRE METHOD REGISTRATION METHOD OBSERVATION METHOD EXPERIMENT METHOD DIRECT or INTERVIEW Use at least two (2) persons – an INTERVIEWER & an INTERVIEWEE/S – exchanging information. Gives us precise & consistent information because clarifications can be made. Questions not fully understood by the respondent
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This pack of ECO 561 Week 4 Discussion Question 4 comprises: Recessions seem to show up every so often and create economic hardship. One might think that macroeconomic policymakers could tame the business cycle and implement policies that would end recessions. Are recessions a necessary fact of macroeconomic life? If not‚ what would it take to eliminate them? If they are unavoidable‚ what types of business can benefit from them? How would a recession affect your firm? Economics - General
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this file of QNT 351 Week 4 Discussion Question 1 you will find the next information: What is the five-step process for hypothesis testing? Is the order important? Explain why or why not. Why do alphas differ among industries? How do ethics affect your chosen level of significance? Can you reject and accept the null hypothesis at the same time? Explain why or why not. General Questions - General General Questions QNT 351 Week 1 Statistics in Business QNT 351 Week 2 LT Assignment
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1.5 The following information is collected from students upon exiting the campus bookstore during the first week of classes: a. Amount of time spent shopping in the bookstore Answer: Numerical; Continuous variables because the answer represent quantities. The response arises from a measuring process b. Number of textbooks purchased Answer: Numerical; discrete variables because the answer represent quantities. The numerical values that from a counting process. c. Academic major Answer:
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Data collection is any process of preparing and collecting data‚ for example‚ as part of a process improvement or similar project. The purpose of data collection is to obtain information to keep on record‚ to make decisions about important issues‚ or to pass information on to others. Data are primarily collected to provide information regarding a specific topic. Data collection usually takes place early on in an improvement project‚ and is often formalized through a data collection plan which often
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Descriptive Statistics Kelly Calle QNT/561 February 15‚ 2015 John Carroll Descriptive Statistics and Interpretation Descriptive statistics is the term given to the analysis of data that helps describe‚ show‚ or summarize data in a meaningful way. Descriptive statistics does not allow conclusions beyond the data analyzed or reach conclusions regarding any hypotheses made. It is only a way to describe the data gathered. Descriptive statistics allows data to be presented in a more meaningful way
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This archive file includes ECO 561 Week 4 Reflection Discuss this week’s objectives with your team. Your discussion should include the topics you feel comfortable with‚ any topics you struggled with‚ and how the weekly topics relate to application in your field. Prepare a 1- to 3-page paper detailing the findings of your discussion? General Questions - General General Questions ECO 561 Week 4 Learning Team Reflection College is not always an easy experience. There
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In this file of QNT 351 Week 1 Discussion Question 4 you will find the next information: The first week of class is focused around Chapter 1. After reading your Chapter‚ present a business scenario where you believe research could be applied. Discuss the type of data that you would need to answer your research question and how you may collect it or where it may already exist. Explain if this is qualitative or quantitative data. Deadline: ( )‚ Business - General Business I need tutorials
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and then process millions of responses. 3. Checking all population is physically impossible. If the population is infinite like the water at California shores‚ its is impossible to check the bacteria levels for all the water on California shores. 4. Some tests are destructive to the population. Like testing for an epidemic of e-coli bacteria in lettuce‚ we can’t take every lettuce produced in a farm and damage it while testing for the bacteria. The whole crop will be damaged. 5. Sample results
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