Welcome to the course on "Workshop in Probability and Statistics from Start to Finish" This workshop is designed to help you make sense of basic probability and statistics with easy-to-understand explanations of all the subject's most important concepts. Whether you are starting from scratch or if you are in a statistics class and struggling with your assigned textbook or lecture material, this workshop was built with you in mind. In this workshop you will learn about Probability , Hypothesis Testing , Confidence Interval , Simple and Linear Regression Models , Sampling or survey sampling with complete Exercises , and PDF materials also provided for additional help .
A random sample of size ,,,,,,,,, is taken from a normal population with a known variance. If the mean of the sample is ....... find 95% confidence limits for the population mean. ?
Confidence Interval for Difference between Two Population Proportions, π1−π2
The least squares principle is a criterion for fitting a specified model to observed data such that the sum of squares of the residuals (difference between observed and estimate value) is minimized? in detail.
The estimated model can be written?
Pearson’s Product Moment Correlation Coefficient:
Pearson’s product moment correlation coefficient, usually denoted by r, is one example of a correlation coefficient. It is a measure of the linear association ....................?
The Relationship among the Coefficient of Correlation, the Coefficient of Determination and the S.E of Estimate:
Sum of square of regression =S.S.R =Regression=Explained variation........?
Inferences about the Slope Coefficient:
The inferences about the regression coefficient can be made by t−test for the slope and F−test for the slope.
Testing Hypotheses about Regression Coefficient
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