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Observed results can arise from both chance and mathematical processes. Statistical methods help determine whether results are significant or likely due to random variation. By using probability and hypothesis testing, researchers can assess the likelihood that observed outcomes are genuine effects rather than random occurrences. Ultimately, the interpretation often depends on the context and the rigor of the analytical methods employed.

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2w ago

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Related Questions

Why is replication important in experimental?

Observed results are less likely to be affected by random chance.


Why is replication in experimental design?

Observed results are less likely to be affected by random chance.


Why is replication important and experimental design?

Observed results are less likely to be affected by random chance.


The term statistical significance implies that the results are?

The observed value is unlikely to have occured purely bt chance under the null hypothesis and, as a consequence, you ought to reject the null in favour of the alternative hypothesis.


What is random variation?

Random variation refers to the natural variability observed in data that arises due to chance or random factors. It can impact the results of experiments, making it important to account for this variability when drawing conclusions from data. Random variation is often controlled for using statistical methods to ensure that patterns or effects observed are not simply due to chance.


What does The first law of probability state?

States that the results of one chance event have no effect on the results of subsequent chance events.


What is meant by observed genotypes?

A phenotype is a physical characteristic. For a human an observed phenotype example would be hair colour (e.g brown) or eye colour (green). An observed phenotype is a physical characteristic that can be seen directly or indirectly (internal organs) caused by an individual's genotype.


Why have a null hypothesis?

Statistical tests are designed to test one hypothesis against another. Conventionally, the default hypothesis is that the results were obtained purely by chance and that there is no observed effect acting on the observations - ie the effect is null. The alternative is that there IS an effect.


What is experimental variation?

Experimental variation refers to the differences in outcomes or results that are observed between different trials or groups within an experiment. These variations can arise due to factors such as measurement errors, environmental conditions, or random chance. Minimizing experimental variation is important to ensure the reliability and validity of the experimental results.


Assumption that experimental results are due to chance alone is called?

null


At a significance level of 0.01 which conclusion can the brewer draw?

That there is a 99% chance that the results of the brewer's study happened because of his manipulation of the IV and not by chance


If you breed a foreign Pokemon you got from a trade in the GTS you have a higher chance of getting a shiny Pokemon from the egg that results. How high is this chance?

It raises the chance of getting a shiny from 1 in 8,192 to 1 in 2,048.