This provides an extensive sample of securities and issuers for our empirical tests.
There are such funds, as well as others that buy a representative sample of securities in order to come close to replicating a target market.
More commonly, the manager will choose a representative sample of securities intended to track the index, and adjust that sample over time to try to keep in sync with the benchmark.
Gonzales, officials said, has ordered the department's national security division and inspections division to begin audits next month of a sampling of national security letters in every field office.
The inspector general's audit found 22 possible breaches of internal FBI and Justice Department regulations -- some of which were potential violations of law -- in a sampling of 293 "national security letters". The letters were used by the FBI to obtain the personal records of U.S. residents or visitors between 2003 and 2005.
Sampler acknowledged that the lack of security, particularly in southern and eastern Afghanistan, has "forced us to look for alternative mechanisms for monitoring and oversight".
The most recent audit, by Social Security's inspector general in September 2008, looked at a sample of 235 Social Security recipients, and found 21 who were being paid too much.
We recruited a separate sample of 70 national security professionals who work for the U.S. government.
The consistency of network risk ratings and rankings were evaluated for each of the 16 network topologies across a sample of 55 network security professionals who reviewed these topologies.
One day, Mr Krulwich hopes, medical science may even be able to implant a small sample of an overzealous security guard's stem cells in a "wisdom broth where they grow and multiply, are mounted onto an artificial scaffold and inserted deep in his frontal cortex".
