Variation R squared and Line of Best fit

What is the Best Fit Line?

 Once we have plotted the data we collected on a scatter graph and have determined we have a linear correlation, that is the graph shows the points have a pattern that resembles a line we will want to see if we can find a line that best represents this data. We call this the best fit line.

A best-fit line does not necessaril

Basic probability concepts in statistics

Introduction to probability distribution and probability formulas

Probability definitions and formulas

1. Classical Probability Method: The theoretical probability can be calculated if all outcomes are equally likely.  To calculate the theoretical probability
   1. Count the total number of possible outcomes

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