Free reference · 596 entries
The words, before the course.
Short, plain definitions of the terms that turn up in statistics and data science — what they mean, and how they relate to each other. Nothing to sign in for.
4 of 596 entries under Q
- Quadratic MeanThe quadratic mean is a special case of the power mean statistics , corresponding to the value of the parameter.
- QuartileThe 1st, 2nd, and 3d quartiles are the 25th, 50th, and 75th percentiles respectively.
- Quasi-experimentIn social science research, particularly in the qualitative literature on program evaluation, the term “quasi-experiment” refers to studies that do not involve the application of treatments via random…
- Queuing ProcessQueuing process is a class of random process es describing phenomena of queue formation. The term “queue” here is an abstract entity, which reflects the most common features of various types of real-life…
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