Statistical quality control (SQC) The application of statistical techniques to measure and evaluate the quality of a product‚ service‚ or process. Two basic categories: I. Statistical process control (SPC): - the application of statistical techniques to determine whether a process is functioning as desired II. Acceptance Sampling: - the application of statistical techniques to determine whether a population of items should be accepted or rejected based on inspection of a sample of those
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Submit completed tests as word or pdf files via email to paul.kurose@seattlecolleges.edu Due: Sunday‚ May 19 (by 8am). 1. a) In Chapter 6‚ you learned to find interval estimates for two population parameters‚ a population mean and a population proportion. Explain the meaning of an interval estimate of a population parameter. An interval estimate for a specified population parameter (such as a mean or proportion) is a range of values in which the parameter is estimated to lie. In Chapter 6
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Research Question 3 : Is there any significant difference between Buddhist and non-Buddhist in their use of nonviolent strategies to solve problems? Hypotheses Null Hypothesis (H₀) : There is no significant difference between Buddhist and non- Buddhist in their use of nonviolent strategies to solve problems Research Hypothesis (H₁) : There is a significant difference between Buddhist and non- Buddhist in their use of nonviolent strategies to solve problems Technique
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chapter 1: STATS – STATISTICS DATA AND STATISTICAL THINKING 1.1 The science of statistics * Statistics - is the science of data. It involves collecting‚ classifying‚ summarising‚ organising‚ analysing‚ and interpreting numerical information. 1.2 types of statistical applications in business * Descriptive Statistics - describe collected data. Utilizes numerical and graphical methods to look for patterns in data‚ summarize the information in the data and to present the information in a
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study 1. What is your Analysis of the bag-weight problem? Refer to the case‚ Quality control analysis for this case will be conducted via X-charts and R-charts. X-charts is to control the central tendency of the process‚ for this case we refer to the weight of 50-pound bags of treating agents R-charts is to control the dispersion of the process‚ for this case we refer to the range of weigh or difference between maximum weight and minimum weight of the bag. From the analysis of problems‚ based on
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Chapter 10 Statistical Inference About Means and Proportions with Two Populations Case Problem: Par‚ Inc. This case can provide discussion and differing opinions as to what hypothesis test should be conducted. Students should begin to see that logical arguments exist for structuring the hypotheses differently. In some interpretations of the problem‚ a two - tailed test can be
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Assumptions and Conditions for using Statistical Tests Bright Eugene Imo State University‚ Owerri ABSTRACT All statistical procedures have underlying assumptions‚ some more stringent than others. In some cases‚ violation of these assumptions will not change substantive research conclusions. In other cases‚ violation of assumptions will undermine meaningful research. Establishing that one’s data meet the assumptions of the procedure one is using in an expected component of all quantitatively
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Statistical Techniques for Handling Missing Data Dr. John M. Cavendish 4 Part a1 Data were collected from 430 undergraduate college students for the purpose of examining the relationship between student personality characteristics and their preference for personality styles in their lecturers. Table 1 below presents a summary of the data collected. Of the 430 subjects for whom data was attempted‚ with 5 subjects providing no data‚ Of the 425 subjects included in data analysis‚ 307 were female
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MBA Business Statistics Homework 1 Reminders: 1. Due date: Jan-14-2012 (Saturday) in class. 2. Please submit only the hardcopy. 3. Please show the names and ID numbers of all your group members on the cover page. Please also indicate your session (DSME5110W). 1. Problem 2.1 (p. 33) The file P02_01.xlsx indicates the gender and nationality of the MBA incoming class in two successive years at the Kelley School of Business at Indiana University. a. For each year‚ create tables of counts
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CHAPTER 4 – THE BASIS OF STATISTICAL TESTING * samples and populations * population – everyone in a specified target group rather than a specific region * sample – a selection of individuals from the population * sampling * simple random sampling – identify all the people in the target population and then randomly select the number that you need for your research * extremely difficult‚ time-consuming‚ expensive * cluster sampling – identify
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