Really nothing just be good at that sport
The most common type of statistic would possibly be a batting average in baseball.
You concentrate a lot in sports. You can use all that concentration and use it for school.
Mostly all sports use ratios to caculate the number of wins and losses.
Clearly all sports. No sports allow use of steroids.
What is a sports filer? Please clarify.
All the sports because you could get injure in your mouth
Having the right skills to use in sports to be good at them.
All sports that require the competitor to be alive use the cardiac AKA the heart muscle.
Table tennis Croquet Squah Minly sports that use feet.
There are various sports that use boats and outboards for recreation. Two sports that require a boat and outboards are wake-boarding and water-skiing.
the standard rule of thumb is to use the t-statistic when the sample size is less than 30 or if the population standard deviation is unknown/estimated from sampling data and to use the z-statistic for 30 and above.