Bias is an important concept in statistics and mathematics that occurs when data is not collected or analyzed fairly. There are three main types of bias: sampling bias, measurement bias, and selection bias. Sampling bias occurs when the sample used to make a conclusion is not representative of the population, measurement bias is when measuring devices are not accurate, and selection bias occurs when the data is chosen in a way that affects the results. To eliminate bias, it is important to use random sampling, reliable measurement devices, and unbiased selection criteria. With these strategies, you can ensure that your data is bias-free and your math equations are accurate.