Difference Between

Mean vs Expectation Mean or average is a very common concept in math and statistics. There is arithmetic mean which is more popular and taught in junior classes but there is also expected value of a random variable which is referred to as population mean and is a part of statistical studies in higher classes.... 

Hope vs Expectation Hope and expectation are two words that are often confused due to similarity in their connotations. Strictly speaking there is some difference between hope and expectation. Expectations are often characterized by unfulfilled desires. On the other hand hope is not about unfulfilled desires....