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    Statistic Definitions

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    The levels of measurement from the lowest to the highest level are nominal‚ ordinal‚ interval‚ and ratio Variables measured at the nominal level of measurement are at the lowest level and must follow three rules: (1) the data categories must be exhaustive (each datum will fit into at least one category identified by the researcher)‚ (2) the data categories must be exclusive (each datum will fit into only one category)‚ and (3) the data cannot be rank ordered. Nominal data differ from ordinal data

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    Intro to statistics

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    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. | | | 2. | | | . | | | . | | | . | | | 50. | | | Table 1 (a) (i) Find the mean‚ mode‚ and median of the pulse rate after the step board activity for the 50 students. (ii)Compare the pulse rate before the step up board activity of students in your school with a standard pulse rate. Give your comment. (b) Find the mean‚ mode‚ and median of the pulse rate after the step up board activity for the 50 students. (c) Construct a frequency distribution table for

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    research provides statistical analysis for gross monthly sales in 60 stores using five key measures within a 10km vicinity: number of competitors‚ population in ‘000’s‚ average population income‚ average number of cars owned by households‚ and median age of dwellings. These quantitative variables are the key determinants‚ which will provide substance for descriptive statistics and the multiple linear regression model. This research reports mainly on statistical analysis‚ providing a direct

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    Practice Assignment 1

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    Practice Assignment The goal of this assignment is to provide a “bridge” between the first two weeks of lectures and assignment 1 for those either new to R or struggling with how to approach the assignment. This guided example‚ will not provide a solution for programming assignment 1. However‚ it will guide you through some core concepts and give you some practical experience to hopefully make assignment 1 seems less daunting. To begin‚ download this file and unzip it into your R working directory

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    Final Exam

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    than four will be republicans? (Points : 10) 38% 12% 21% 62% Ans. a look at x=4‚ cumulative probability 3. (TCO A) Company ABC had sales per month as listed below. Using the Minitab output given‚ determine: (A) Range (5 points); (B) Median (5 points); and (C) The range of the data that would contain 68% of the results. (5 points). Raw data: sales/month (Millions of $) 23 45 34 34 56 67 54 34 45 56 23 19 Descriptive Statistics: Sales | Variable | Total Count | Mean

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    1.2 - Below we list several variables. Which of these variables are quantitative and which are qualitative? Quantitative means that the measurement of the value gives an actual quantity that can mean “how much”‚ or “how many”. Whereas qualitative means we are simply recording into which of the categories the element falls. (Bowerman‚ O’Connell‚ Murphree‚ Orris‚ J. B. (2012).  Essentials of Business Statistics 4th ed.).  A. The dollar amount on an accounts receivable invoice. This would

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    Mass Appraisal

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    MASS APPRAISAL Table of Content *1‚ Introduction……………………………………………………………..*1 2‚ Discussion………………………………………………………………2 2.1 Examining and testing Normality of the data…………………………………3 *2.2 Assessment on *the performance of an assessment*…*………………………4 2.2.1 Testing the level of appraisal for the assessment…………………………..5 2.2.2 Measures of variability…………………………………………………………5 2.2.3 Examining Assessment Bias…………………………………………….…….6 2.2.4 Kruskal Wallis test for within Submarket group equity…………………

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    Problem 1 Suppose that 6 female and 5 female applicants have been successfully screened for 5 positions. If the 5 positions are filled at random form the 11 finalists‚ what is the probability of selecting: A: 3 females and 2 males? B: 4 females and 1 male? C: 5 females? D: At least 4 females? Problem 2 By examining the past driving records of drivers in a certain city‚ an insurance company has determined the following (empirical) probabilities: [pic] If a driver in this city

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    Persian Empire

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    Persian Empire was a series of successive Iranian or Iraniate empires that ruled over the Iranian plateau‚ the original Persian homeland‚ and beyond in Western Asia‚ South Asia‚ Central Asia and the Caucasus.[1] The first Persian Empire formed under the Median Empire (728 BC-559 BC) after defeating and ending the Assyrian Empire with the help of Babylonians. Achaemenid Persian Empire (550–330 BC) was the largest empire of the ancient world[2] and the most widespread entity of it was under Darius the Great

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