Step 1- Identify 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
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1. How many respondents said they drink because their friends drink? _________________ 2. What is the mean age of the respondents? _________________ 3. What is the modal response (most common response) to the question about when drinking occurs on Saturday? _________________________________ Create a new variable SENIORS from CLASS: 1 for those who are seniors‚ 2 for all others. Be sure to use the “All others” choice. There is no need to specify “system-missing to system-missing”
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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 0.5? Above 1.5? 2. The following are the salaries of employees in a small business: 15‚000 15‚000 17‚500 23‚500 23‚750 25‚000 26‚000 27‚500 29‚000 45‚000 a. Before using your calculator‚ do you think that the mean or the median for these values will be higher? Why do you think so
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UNIVERSITI TEKNOLOGI P E T RO NA S @t C OU R S E DATE TIME . GA B 2O13 B2133BUSINESS / SM STATISTTCS / QUANTITATIVE METHOD 27 MAY2008(TUESDAY) 2 .3 0PM- 5.30PM ( 3 hour s) INSTRUCTIONS CANDIDATES TO 1. 2. 3. 4. 5. Answer FIVE(5)outof SIX(6)questions theQuestion from Booklet. BeginEACHanswer a newpagein theAnswer on Booklet. lndicate clearly answers arecancelled‚any. that if Whereapplicable‚ showclearly stepstakenin arriving the solutions at and indicate ALL assumptions. Do notopenthisQuestion
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(10 points) Find and compare the mean salaries and mean ages of the employees in the sales and advertising departments. Explain to the owner how these values could be misleading.Answer: sales department the mean for the salaries of the sales department is : 42.5 the mean for the ages os the sale department is : 33.8 advertising department the mean for the salaries of the advertising department is: 45.3 the mean for the ages of the advertising department
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Data Management Culminating Project: Exchange Rate VS Export Amount by: Ellen Zhang The Relationship between the Exchange Rate and the Export Amount in Canada [pic][pic] [pic][pic] Ellen Zhang Ms. Provisionnato MDM4U1 Date: December 20th‚ 2012 Table of Contents Introduction-------------------------------------------------------------------4 One Variable Analysis------------------------------------------------------6
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picture industry data first presented in Chapter 2. Developing and interpreting descriptive statistics such as the mean‚ median‚ standard deviation and range are emphasized. Five-number summaries and the identification of outliers are also of interest. Interpretations and insights can vary. We illustrate some below. Descriptive Statistics Variable N Mean SE Mean StDev Range Opening Gross 100 9.38 1.89 18.87 108.43 Total Gross 100 33
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length of labor in this study? Were these appropriate? a. Length of labor for both the control and experimental groups were described with mean and standard deviations. Yes‚ these were appropriate measures of statistics. 3. What other statistics could have been used to describe the length of labor? Provide a rationale for your answer. a. In addition to mean and standard deviations‚ mode could have been used in this study to describe length of labor. It would have given an understanding as to how
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Chapter 1 The Problem and Its Settings This chapter presents the background of the research. In here includes the statement of the problem‚ objectives‚ importance‚ scope and limitation and the definition of terms of the study. Introduction Bakery operations need a very good maintenance management system for efficient running of plant. Maintenance activity needs regular monitoring and records to evaluate problems and their solution. Bakery maintenance has its own features which need attention
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central tendency: Mean (Arithmetic mean) Median Mode Other measures of central tendency: Trimmed mean Harmonic mean Geometric mean CENTRAL OF TENDENCY Scale type Permissible central of tendency Nominal Mode Ordinal Median Interval Mean‚ Mode*‚ Median* All statistics are permitted including geometric mean‚ harmonic mean‚ trimmed mean‚ and other robust means. Ratio Central tendency for Ungrouped Data Mean (Arithmetic mean) The most frequently
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