1. What are descriptive statistics and how do they differ from inferential statistics? INTRODUCTION Statistical procedures can be divided into two major categories: descriptive statistics and inferential statistics. Typically‚ in most research conducted on groups of people‚ you will use both descriptive and inferential statistics to analyse your results and draw conclusions. So what are descriptive and inferential statistics? And what are their differences?We have seen that descriptive statistics
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Series editor: Kenneth N.Ross Module T. Neville Postlethwaite Institute of Comparative Education University of Hamburg Educational research: some basic concepts and terminology 1 UNESCO International Institute for Educational Planning Quantitative research methods in educational planning These modules were prepared by IIEP staff and consultants to be used in training workshops presented for the National Research Coordinators who are responsible for the educational policy research programme conducted
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Diversified Global holdings group Strategic analysis business analytics department for CCResorts Central coast Strategic analysis BUsiness analytics Department Executive summary This study was produced on behalf of the Business Analytics Department at DGHG for CCResorts in order to examine market research and determine how the venture is progressing. The company provided a data sample from the past 12 months with 200 entries‚ each with 6 variables. The aim of this report is to evaluate
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Module 1 Suppose you hear an "old-timer" say‚ "Why‚ in my day‚ kids were much more respectful and didn’t cause as much trouble as they do nowadays!" Formulate a hypothesis related to this statement that you could test. How would you test it? The old-timer are the older person in their 70s or 80s at this time. I would compare the age when this old timer is raising his own children . what actually age he may be‚ let say‚ 25 years old if he was born in 1940 by the year 1965 to determine respectfulness
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the problem Develop a problem statement- What are you going to investigate (use the 6 characteristics of a good problem statement) 1. Be interested in the problem 2. Have a manageable scope 3. Be comfortable in terms of the knowledge‚ time‚ and resources needed to investigate the problem 4. Be able to collect and analyze numerical data 5. Must be a practical or theoretical reason for you to research the problem 6. It must be ethical for you to investigate the problem Step 2- State a
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Official crime statistics refer to statistical data which are compiled by official agencies such as the police and courts‚ and are published by the state. National statistics about crime in England and Wales have been collected and published by the Home Office annually since 1857. These figures are compiled by putting together the offences recorded by the police in each of the forty-three police areas in England and Wales. The statistics contained in these volumes are of great significance‚ not only
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Sketch this density curve. What are the coordinates of the right endpoint of the segment? (Note that the right endpoint should be fixed so that the total area under the curve is 1. This is required for a valid density curve.) b. Determine the median‚ the first quartile (Q1)‚ and the third quartile (Q3). c. Relative to the median‚ where would you expect the mean of the distribution to lie? Explain briefly. The distribution is skewed left‚ so the mean will be left of the median. d. What percent of the observations lie below 0
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organizations. ***False 4. When compared to public relations‚ marketing is: PG 430 Not Broader in scope 5. Which of the following types of disclosure of health information is not permitted by HIPAA without the consumer’s permission? PG 415-417 Not Disclosures made in emergency circumstances 6. Long-term care administrators are subject to two types of liability‚ professional liability and: ***General liability 7. Stakeholders are those individuals who have a financial stake in the organization
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1. On average‚ how many blemishes do we expect on one piece of new furniture? 2. What is the variance of blemishes on one piece of new furniture? (round to the nearest hundredth) QUESTION 22 The probability that a person catches a cold during the cold-and-flu season is 0.4. Assume that 10 people are chosen at random. On average‚ how many of these ten people would you expect to catch a cold? What is the standard deviation of the number of people who catch a cold? (round to the nearest
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Q1 In a test given to 500 students‚ the average marks was 56 and the standard deviation was 20. Find (i) the number of students exceeding a score of 60. (ii) the number of students having marks between 50 and 70. (iii) the value of marks exceeded by the top 100 students. Answer-------- (i) number of students exceeding a score of 60=210 (ii) The number of students having marks between 50 and 70=188 (iii) The value of marks exceeded by the top 100 students=73 Q2. Following
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