How are distribution & variation important in any statistical study

Question

I’m on the strugglebus in understanding statistics so any breakdown would be super helpful.

In: 3

Answer 1

Things in the real world follow distributions.

If you learn well by example:
If I have two cooks and I want to test if they make burgers of the same weight I need to order a bunch of burgers and weight them. The weight of their burgers follow a DISTRIBUTION. The variance describes the width of the distribution. To test a hypothesis such as “each cook makes the same weight burger” I must know each distribution well enough to calculate a probability that each cook makes burgers that have the same distribution of weights.