A Better Bound on the Variance

Rajendra Bhatia, Chandler Davis. A Better Bound on the Variance. The American Mathematical Monthly, 107(4):353-357, 2000. [doi]

@article{BhatiaD00,
  title = {A Better Bound on the Variance},
  author = {Rajendra Bhatia and Chandler Davis},
  year = {2000},
  url = {http://www.jstor.org/stable/2589180},
  researchr = {https://researchr.org/publication/BhatiaD00},
  cites = {0},
  citedby = {0},
  journal = {The American Mathematical Monthly},
  volume = {107},
  number = {4},
  pages = {353-357},
}