Homework Will Never End

If you have any test reviews, homeworks, guides, anything school related that you think can be posted on this website, reach out to me at makingschooleasier@gmail.com   Symbols:   ∑ = sum   Population - All of the items we are interested in. (Can be finite, such as passengers on a plane or infinite, such as all Cokes bottled in an ongoing process.)  Population symbols are commonly Greek letters. (But not always)   N = size µ = mean σ 2 = variance σ = standard deviation Sample - A subset of the population that we will actually be analyzing. Sample symbols are commonly Roman letters. (But not always) n = size x̄  = mean s 2 = variance s = standard deviation The Three Main Measurements   Central Tendency :   Knowing how and when to use a measure of central tendency is a matter of understanding what it is you're trying to understand about the data.  Is it of a set of unusual circumstances? Is it about compounded growth? The answers to these questio