📖 Background The principal of a large school is interested in knowing if the test preparation courses are helpful and also know the effect of parental education level on test scores.
💪Objectives What are the average reading scores for students with/without the test preparation course? What are the average scores for the different parental education levels? Create plots to visualize findings for questions 1 and 2. Look at the effects within subgroups....

📖 Background A crowdfunding site wants to run a marketing campaign for the next quarter of the year. The marketing manager wants to target those segments that have donated the most in the past year.
Objectives What are the top three categories in terms of total donations? What device type has historically provided the most contributions? What age bracket should the campaign target? Key Insights The average donation was $39....

“It’s easy to lie with statistics. It’s hard to tell the truth without statistics.”
— Andrejs Dunkels body {text-align: justify} Introduction The FizzBuzz problem is a very popular problem given by interviewers to programmers. The problem is to print numbers 1 to N, return “Fizz” for every number that is a multiple of 3, “Buzz” for every number that is a multiple of 5 and “FizzBuzz” for every number that is a multiple of 3 and 5....