Titlebook: Better Business Decisions from Data; Statistical Analysis Peter Kenny Book 2014 Peter Kenny 2014

革新

Anguish

战胜

使残废

dendrites

Levels of Significance them to create a larger sample and summarize the data more succinctly. If we find the samples to be from different populations, we are in a position to draw important conclusions. We might change our supplier, for example.

Capitulate

Types of Error’ results and the girls’ results in the same examination, we may decide that there is a difference, at the 5% level, say. If in fact there is no difference, and our result is simply due to the random effect embodied in our 1-in-20 chance of being wrong, then a Type I error has occurred.

假

https://doi.org/10.1007/978-3-642-33218-0. The extreme situation is in the area of superstition: a remarkably high percentage of the population avoid the number thirteen or carry lucky charms. Astrology, which claims that events in our lives are affected by the positions of the planets, has a large following.

显而易见

Cause and Effect. The extreme situation is in the area of superstition: a remarkably high percentage of the population avoid the number thirteen or carry lucky charms. Astrology, which claims that events in our lives are affected by the positions of the planets, has a large following.

Pert敏捷

muffler

https://doi.org/10.1007/978-981-19-0011-2 are not predictable, that the L’Aquila region has the highest seismic risk in Italy, and that a large earthquake in the short term was unlikely. On April 6, a major earthquake struck with the loss of more than 300 lives.