The price of advertising, and therefore advertising revenue, are different in different newspapers. Publishers conjecture that newspapers that reach more readers create more value for the advertisers. Therefore, circulation is an important factor that determines the advertising revenue of a newspaper.

Assignment on Regression models from the Data Science Specialization Courses - Coursera

Simulating 1000 Exponential Distribution and explore the distribution of their means

Assignment on Reproducible Research. Coursera Reproducible Research Week 4 Data Science Courses