Harvard Biostatistics Multiple Lecture Courses

Descriptive statistics: Confidence Interval for Standard Deviation

Confidence Intervals for a Population Standard Deviation

Source: Section 9.3 in Statistics I at Elgin Community Collage

How to access: This is free to access. Lecture notes and video are available. The length of video lecture for this section is about 5 min.

Example(s) used in this: IQ data

Prior math/stat knowledge to fully understand matrials: This is one of the sections in a course. To understand this section, knowledge about the concept of confidence interval, how to construct a confidence interval. For those who are not familiar with these, sections prior to Section 9.3 would help.