If you flip a coin until it lands on heads, how many times will it land on heads? This project just examines the stats of this question. On average, it should take around 2 flips to land on heads. Variable names: i is the number of trials done so far "mean" is the mean average of flips till heads of a single trial "big mean" is the mean average of all trials The scratch cat is saying how close the "mean of big standard deviation" is away from the square root of 2