“Give me the Examples or Scenario where we can use Linear Regression” It may seems a easy question but nevertheless it is always asked in Data science related interviews . My suggestion to you is always be prepared with situation where you will come face to face this question. I will write some easy example […]

# Statistics

## Two sample t-test with SAS explained

Two sample t-test is to compare two population averages by comparing two independent samples. A common experiment design is to have a test and control conditions and then randomly assign a subject into either one. One variable to be measured and compared between two samples.

## Top Basic Statistics Free Courses for Data Science Online

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## One sample t-test with SAS- Step Wise

We want to study a Population and its representative sample which has a single Continuous variable. Our initial examinations are:- 1.what is the confidence interval of the population mean? 2.How to test a hypothesis made on population mean. The single-sample t-test compares the mean of the sample to the value we want it be.