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Regression analysis

report writing

Subject: 
Economics
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scientific method
Regression analysis
Evaluation methods
research methods
Psychometrics
Dependent and independent variables
Descriptive statistics
Statistics
Data analysis
Research
Level of measurement
Research design

Executive summary Arazindi Fashion House (AFH), an Australian clothing store, initiated a promotional technique in which customers were issued with a card that entitled them to a 20% discount on any purchase they made during the month of June. The nationwide sales manager of AFH conducted a research that was mainly intended to establish the effectiveness of this promotional technique. Particularly, the research intended to establish whether or not the amount of sales was influenced by the use of promotional cards. A sample of 200 customers was used in the research. From this sample, techniques of data analysis such as correlation, use of descriptive statistics, and graphical methods were used to answer the questions posed by the research. Statistical analysis Methods

STATS PRACTICE

Subject: 
Statistics
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Regression analysis
Design of experiments
Econometrics
Statistical dependence
Dependent and independent variables
Correlation and dependence
Scatter plot
Coefficient of determination
Statistics
Causality
Confounding
Plot

AP Statistics Name ____________________________________________ Chapter 4 Practice Test Part I - Multiple Choice Suppose that the scatterplot of (log x, log y) shows a strong positive correlation Which of the following must be true? The variables x and y also have a correlation close to 1. A scatterplot of (x, y) shows a strong nonlinear pattern. The residual plot of the variables x and y shows a random pattern. I only II only III only I and II I, II, and III What is the purpose of residual plots? To determine causation. To assess the type of relationship that exists between x and y. To check the appropriateness and fit of the regression equation for the data. To measure the variability in the residuals. To provide predictions for the response variable.

sociology

Subject: 
Environmental Science
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Science
Statistics
Information
Research
Design of experiments
Evaluation methods
Regression analysis
scientific method
Causality
Variable
Dependent and independent variables
Research design

Chapter two Sociology HOW DO WE KNOW WHAT WE KNOW intuition- is quick and ready insight what is not based on rational thought immediate understanding of something common sense- refers to opintion that are widelt held because htey seem so obvious Authority- is someone who is supposed to have special knowledge that we do not have tradition what has been assed down to believe WHAT IS OBJECTIVITY scientist are expected to prevent thier personal biases from influencing the interpretation of thier result s CAN SCIENTIST REALLY BE OBJECTIVE. jthey can be unintentionally let thier personal biases influence thier work such as kinsey pg 34 how can subjectivity ve reduced scientist cannot be completely onjective best when they strife for the truth
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