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Explore how correlation leads to regression analysis, distinguishing simple versus multiple regression and linear versus nonlinear forms, with ordinal regression for categorical data and historical data insights.
Explore the linear regression line y = a + b x, linking dependent and independent variables, with correlation checks and dropping noncorrelated variables to ensure normality and no multicollinearity.
Learn how the minimum least squares method finds the best fit line by minimizing the sum of squared errors and estimating coefficients in y = a + b x.
Calculate regression coefficients b1 and b0 in simple regression using deviations from means and standard deviations to predict the dependent variable from x, with algebra for multiple variables.
Explains regression equations for two variables, x on y and y on x, defines regression coefficients using r and standard deviations, and presents their B_xy and B_yx formulas.
Calculate the correlation coefficient using the given standard deviations of X and Y and the values X=63 and Y=50, yielding approximately 0.78.
solve a regression problem via cross‑multiplication to obtain x-bar=13 and y-bar=17, then compute b_x, b_y, and r, confirming a positive relationship.
Explore how to estimate the population correlation coefficient from sample data using the probable error formula, interpret thresholds, and understand assumptions about random sampling and normal population.
Regression Analysis examines the influence of one or more independent variables on a dependent variable, and Predictive modelling is the process of using known results to create, process, and validate a model that can be used to forecast future outcomes. It is a tool used in predictive analytics, a data mining technique that attempts to answer the question "what might possibly happen in the future?"
Taught 3000+ students offline and now extending the course and experience to online students like you.
Winners don't do different things, they do things differently. Complete course guide, separate guide/link of 700+ practice questions, downloadable resources, supportive animation/videos for better understanding.
By the end of this course, you will be confidently implementing techniques across the major situations in Statistics, Business, and Data Analysis.
You'll Also Get:
- Downloadable workout Notes for competitive exams and future reference purpose
- Lifetime Access to course updates
- Fast & Friendly Support in the Q&A section
-Certificate of Completion Ready for Download
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Who this course is for:
For all students who want to have a strong base of Statistics
Anyone looking to start a pick up highly paid freelancing skills
Consultants who don't know where to get started
People who want a career in Business Intelligence & Data Science
Business executives & Business Analysts