One weekend's games obviously isn't a large enough statisticalsample to draw major conclusions over whether you can rotate your squad without missing a beat.
Wiring up the volunteers means the branch points are less disruptive to the movie's flow, but "four people do not necessarily constitute a statisticalsample, " adds Thompson.
Then they combined their findings with earlier surveys, which used other detection techniques, to create a statisticalsample of stars and the planets that orbit them, which they say is representative of the galaxy.