frequency distribution and pie chart, the maximum number of customer belonging to the Urban category were 42%, followed by the Suburban of 30% and Rural at 28%. Since this is a categorical variable, the measure of central tendency and descriptive statistics was not calculated. Frequency Distribution Location Frequency Rural 14 Suburban 15
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able to determine data analysis and how it works as it relates to our class project. Introduction The rationale of writing this paper is to show how statistics data analysis works. Statistics as we learned, is the practice of collecting, organizing, analyzing and interpreting data to make decisions. The two types of data used in the project are sampling and proportions. The methods used can be used by any professional
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sample size 30 of 4 samples i.e. 120 out of 800 given observations to explain the quality control process. Hypothesis : Hypothesis H0 : µ = 12 Ha : µ ≠ 12 Level of Significance = 0.01 Z test : Z test z = Z values : Z values Test statistic (z value) for all the samples P value : P value P values (2*(1-z score))for all the samples Rejection of null hypothesis : Rejection of null hypothesis Rejection rule for two tailed test using p-value approach Reject H0 if p-value ≤ α
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sample The population of interest is 800 and each of four samples, each of size 30, collected at hourly intervals during the first day of operation of the new statistical control procedure. The two tables below shows the output of one-sample statistics test that shows the
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measurements, or responses. Statistics is the science of collecting, organizing, and interpreting data in order to make decisions. A Population(全体) is the collection of all outcomes, responses, measurements, or counts that are interest. A sample is a subset(子集) of a population A parameter(总体参数) is a numerical description of a population characteristic. A statistic(样本统计量) is a numerical description of a sample characteristic Descriptive statistics (描述统计学) is a branch of statistics that involves the organization
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Data Selection (refer to Excel sheets: Scatter1 and Scatter2) We used Excel to draw a scatter plot to see the relationship between price and carat. The data presented two different groups of data: 1) Diamonds at low prices with low carat and (2) diamonds at high prices with high carat weight. The data with the diamonds at low prices and low carat is irrelevant so we excluded that portion of the data which had prices under $1000. Selected data to run the regression Selected data to run the
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Introduction: People are at the core of every organization. Without staff, organizations cannot edit. It is therefore vital that organizations do not take their staff for granted. The term that is often used for this is human resource management: Human(s) - people with their experience, skills, and knowledge and personal qualities. Human resource - the people, and the policies and practices that affect them in the workplace. Human resource management - the management of the people and the staff
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Statistics in Business Statistics is a mathematical science pertaining to the collection, analysis, interpretation or explanation, and presentation of data. It also provides tools for prediction and forecasting based on data. It is applicable to a wide variety of academic disciplines, from the natural and social sciences to the humanities, government and business ("Statanalysis Consulting", 2013). Statistics is used in decision making that affects our everyday lives. The study of statistics
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Can Your Body Tell the Time of Day? (NOTE: If you have thought of a statistics project that you would prefer to tackle instead of the one described below, contact me. I’ll try to make an equivalent project using your particular topic of interest.) Objective: You will measure how body temperature and reaction time vary throughout the course of a day, as well as related questions. In particular, you must address each of the questions below. Question 1: At what time of the day is the body temperature
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Activity 1 Advance Statistics with Computer Application Submitted to : Ms Maricar Flores, Ed.D Submitted by: Mary Monette Wee-Diputado 1. What is the title of the research? * Academic Grades, Regional Achievement Test Results and Least Learned Skills of Grade V Mathematics Pupils: Basis for Enrichment Program 2. What are the variables used in the research? If there are two or more variables used, classify each variable as independent, dependent, intervening, or moderating
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