lower bound on variance
C21321
concept
A lower bound on variance is a theoretical limit that specifies the smallest possible variance any unbiased estimator of a parameter can achieve under given model assumptions.
All labels observed (2)
| Label | Occurrences |
|---|---|
| lower bound in estimation theory | 1 |
| lower bound on variance canonical | 1 |
Description generation (CDg)
The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.
Instruction
generate a one-sentence description for a given conceptual class. # Response Format Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: lower bound on variance
Generated description
A lower bound on variance is a theoretical limit that specifies the smallest possible variance any unbiased estimator of a parameter can achieve under given model assumptions.
Instances (2)
| Instance | Via concept surface |
|---|---|
| Cramér–Rao bound | — |
| Barankin bound | lower bound in estimation theory |