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a small mean difference and large sample variances

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13y ago

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What are attributes in Math?

A dose attribute is likely to mean the characteristics or effects of a measured amount of a medicine. It may be used in efficacy of toxicity testing.


What is test statistic Why do you have to know the distribution of a test statistic?

Suppose you have a theory about some random variable and you want to check if your theory is correct. You take some observations and summarise them using a test statistic. This may be their mean, maximum, a measure of spread - whatever. You want to check if the result that you got is consistent with your theory. You face a problem, though. Because the variable has a random element to it, it is always possible that the result that you got was pure chance. So you work out what the probability distribution of that test statistics would be IF your theory (hypothesis) were true. You use this distribution and the value of your test statistic to decide how likely your result was if your hypothesis were true. If that probability is very small, you conclude that your theory is not reasonable and you reject your hypothesis. Otherwise, you continue with the assumption that your theory is not unreasonable.


What number is significant for a z-score in statistics?

It depends on where you have set your alpha. To be significant at an alpha of .05 (typical), the z-score must exceed 1.96. Here, we are accepting a 5% error rate. To be significant at an alpha of .01 (more stringent/restrictive/conservative), the z-score must exceed 2.58. At an alpha of .01, you are only accepting a 1% error rate. If you are doing multiple tests of significance, you'll likely want to use this more conservative alpha (or do a "Bonferroni correction," dividing .05 by the actual number of significance tests you perform). Hope this helps!


Is less likely an adverb?

No. In the pair, likely is an adjective, and less is an adverb. Likely by itself can be an adverb, as in they'll likely fail.


How likely adverbs?

Very likely.

Related Questions

Which combination of factors is most likely to produce a significant value for an independent-measures t statistic?

To know which combination of factors is most likely to produce a significant value it is important to know what the factors are. Without knowing what factors there are to choose from it is hard to know what the answer is.


Adaptive radiation is likely to produce several to many?

Adaptive Radiation is likely to produce a cluster of species in a short period of time.


How do you spell significate?

The likely word is the adjective significant(meaningful).Another possibility is scientific (related to science).


Is saturated air being cooled likely to produce condensation?

Yes it will produce condensation


Which process in the mice most likely accounts for the changes shown?

Changes in the mice are most likely due to genetic modification through gene editing techniques like CRISPR-Cas9. This process involves altering the genetic material in the mice to produce specific traits or characteristics.


What characteristics is most important to the evolutionary success of organismbon earth today?

Adaptability and reproductive success are key characteristics that contribute to the evolutionary success of organisms on Earth today. Organisms that can adapt to changing environments and produce offspring that survive and reproduce well are more likely to thrive and pass on their genes to future generations.


What do earthquakes that occur on seafloor produce?

tsunamis are likely


What does the skeleton system most likely not do?

produce gametes


What flowers will most likely produce honey in Castleville on Facebook?

The red mushrooms will usually produce honey.


What is a tornado most likely to be produced from?

A tornado is most likely to be produce from a type of thunderstorm called a supercell.


What type of solution is likely to produce crysals if disturbed?

supersaturated


When certain genes make organisms more likely to survive and produce which process can occur?

The process that occurs is called natural selection. Organisms with advantageous genes that increase their chance of survival and reproduction are more likely to pass on these genes to future generations, resulting in a gradual change in the characteristics of the population over time.