Standard Error

Mr. Anderson explains the concept of standard error, its calculation, and significance in data analysis. He compares two data sets, demonstrates how to calculate standard error using Excel, and highlights the importance of standard deviation and sample size. The video emphasizes the need for error bars in graphs to accurately represent data variability.

Describe how to represent data with error bars on a bar graph.

How can you use a spreadsheet to calculate standard deviation and standard error?

What is the significance of having error bars in data representation?