The tutor offers a case study in statistics. Around here, forestry might be the leading industry.  Of course, I hardly ever see evidence of it; up in the hills is where the work is done. As I understand, one angle …

Standard deviation: a forestry example Read more »

Tagged with: , , ,

Tutoring some high school math courses, statistics is prominent.  The tutor introduces an important definition.   Statistics focuses on the mean and the standard deviation. But why is that? The reason is that while most phenomena follow a normal distribution, …

Statistics: what is a z-score? Read more »

Tagged with: , , , , ,

Tutoring math, you get asked about statistics.  The tutor offers an interpretation of mean and standard deviation. Back when I was in university, there was a 2nd-year statistics course. It was the introductory stats course and was required for many …

Statistics: the meaning of mean and standard deviation Read more »

Tagged with: , ,