parameters for the normal curve. The normal parameters and are estimated by the sample mean ()and the sample standard deviation (). a chi-square goodness-of-fit test. Compared to the usual cutoff ...

When you open Excel and start working with data, you might wonder how to visualize the distribution of your data points. This is where a Histogram Chart comes into play. A Histogram Chart is a type of ...

Forecasting for any small business involves guesswork. You know your business and its past performance, but you may not be comfortable predicting the future. Using Excel is a great way to perform what ...

In Figure 3.2, it appears that each lot produces transistors with channel lengths that are normally distributed. The following statements use the NORMAL option to fit a normal distribution to the data ...

This column is the fourth in a series on parameter estimation, leading up to the justly famous Kalman filter. The discipline is based on the fact that our knowledge of the state of any real-world ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...