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When conducting a experiment does the number of trials affect the results?
The number of trials does not affect the result as each individual trial or experiment yields its own result caused by random small variations in the techniques used. What is affected is the conclusion derived from pooling all the individual results for the same type of trial and analysing the value obtained by statistical methods. It is generally reckoned that at least seven trials are required for the purpose of statistics and the analysis is commonly expressed as the Mean (average value) and Standard Deviation, (a number that reflects the extent of the variation between the individual trials). However, different statistical methods are used for analysing different types of data, the commonest reflecting the difference between parametric (the variation is the same on both sides of the mean) and non-parametric (The spread of variation is greater on one side of the mean than the other). Obviously a considerable number of individual trials is required to be able to make a valid distinction between the two.
Would Avogadro's number be too small if some of the solution evaporated during the experiment?
In this case any link with Avogadro number exist. Avogadro number is a constant.
What us state besides Alaska has had the least tornadoes?
Rhode Island has the second lowest number of tornadoes. This is a somewhat misleading statistic, however due to Rhode Island's small size.
What is the purpose of conducting a scientific experiment?
The purpose of a Science laboratory is to carry out small experiments ( trials) and see whether an experiment is successful.If this expt is successful in the Lab then one can use this expt on a bulk scale for any purposes like manufacturing of a product, or research a product or carry out practically anything or replicate the lab Process.
Where can you find double-blind research that proves Homeopathy works if there is any?
There are between 100 and 200 double-blind placebo controlled clinical trials testing homeopathic medicine, most of which show that homeopathic medicines are more effective than a placebo. There are an even greater number of basic science trials. For a list of a small number of high quality trials, go to: http://www.homeopathic.com/articles/view,132
What experiment convinced Ernest Rutherford that the atom has a small positivity charged nucleus?
th gold foil experiment
What experiment convinced Ernest Rutherford that has a small positive charged nucleus?
th gold foil experiment
What experiment convinced Ernest Rutherford that the atom-has a small positively charged nucleus?
th gold foil experiment
What experiment convinced Ernest Rutherford thet atom has a small positively charged nucleus?
The gold foil experiment convinced Ernest Rutherford that the atom has a small positively charged nucleus. In this experiment, alpha particles were shot at a thin gold foil. The fact that some of the alpha particles were deflected and even bounced back led Rutherford to conclude that atoms have a small, dense, positively charged nucleus.
What did Teresa do when Thomas saw her in a small building near the town In the scorch trials?
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How do clowns fit in the small cars?
They experiment with who can fit where and how, then they practice a lot.
When are drugs tested on humans?
After clinical animal trials at: Phase 1 - small group of healthy volunteers are tested
