# Questions tagged [mathematical-statistics]

Mathematical theory of statistics, concerned with formal definitions and general results.

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### Measuring standard/formula when we know length, mean, highest and lowest values of a set

This is probably a basic statistics question, sorry about that. I have sets of data that I wanna compare. Each set has a list of values from which I know the length, mean, highest and lowest values ...
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### Confusion on when you can apply CRLB

I am somewhat confused on when you can apply CRLB when estimating parameters which are not of densities directly. For example a classic problem is estimating the magnitude, phase and frequency of a ...
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### how does realization of random variable work?

Reading different resources about statistical inference, I have hard to time to build good intuition about how some fundamental tasks stated. Many resources say something like this: Given random ...
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### P-value range for 3 samle anova [closed]

I am working on a question where I am asked to find a p-value range based off of a test statistic. I have calculated a number that ,with proper df's, falls in the range of p = 0.01-0.025. However, the ...
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### Why can't ridge regression be used when there is only a single predictor variable? [closed]

Trying to understand why there are problems when ridge regression is used when there is only a single predictor variable, but can't understand if it is just because there are better things for a ...
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### Calculating p-value for testing alternative hypothesis [duplicate]

this is a recent stats question I came across: A random sample of 847 13- to 17-year-olds found that 396 had responded better to a new drug therapy for autism. Let p be the proportion of all teens ...
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