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Before we dig into understanding normal distribution, we should first take a look at what distribution is? What is distribution? Distribution is a function that describes how the values of …
What is Probability? Probability refers to the chance or likelihood of a particular event taking place. It’s a numerical measure between 0 and 1 that expresses how probable an event …
What is Population variance? Population variance (σ²) is a crucial measure of how spread out the values are within a population. It reflects the average squared distance of each element …
What are sample mean and population mean? Sample mean and Population mean are two key statistics used to measure the central tendency within a dataset. While they seem similar, they …
What is the difference between percentage and percentile? Both percentage and percentile are used to express data points in relation to a whole, but they serve different purposes. Here’s a …