Topic: Null Hypothesis
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What is Null Hypothesis?
A null hypothesis is a hypothesis (idea, conclusion) that is assumed to be valid unless data indicates otherwise. A null hypothesis is contrasted against another hypothesis that is being tested. Read More »
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How to Figure Out the Null Hypothesis?
The only way to figure out a null hypothesis is to redo the experiment or equation and figure out if there was somewhere that you went wrong. Sometimes a null hypothesis is the only answer a problem has. Read More »
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How to Calculate Null Hypothesis
All mathematical and scientific hypotheses can be determined in a binary fashion. For example, they are either true or false. Proving these hypotheses can similarly follow two approaches. The mathematician or scientist can either assume her... Read More »
Source: http://www.ehow.com/how_7236228_calculate-null-hypothesis.html?re...
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Null Hypothesis
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A null hypothesis is a statistical hypothesis that is tested for rejection based on the assumption that it is true. It cannot be proven, it can only be rejected or fail to be rejected by a set of data.
An example of a null hypothesis would be that a rose bush will not show a higher growth rate in full sun versus full shade.
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More Common Questions
Answers to Other Common Questions
To write a null hypothesis in statistics, you must consider the sets of data you are working with, and what it describes. Then, write your null hypothesis as if there were no difference between the samples of data. You can find more informa...
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Scientific research involves testing an idea. Research projects are formally organized so that other researchers can evaluate and replicate, or copy, the research. Duplicate testing by different scientists increases the likelihood that the ...
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e (Epsilon)
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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...
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Source: http://wiki.answers.com/Q/Why_have_a_null_hypothesis
A null hypothesis states that there is no relationship between two or more variables being studied. The assumption in science is that the null hypothesis is true until sufficient evidence emerges, though statistical testing, to reject the n...
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Source: http://wiki.answers.com/Q/What+is+the+null+hypothesis+in+the+line...
In any study, researchers begin with a definite prediction that they seek to prove or disprove. This statement that gives a precise description of what they expect to be the outcome is known as the hypothesis. In subject areas where scienti...
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Source: http://www.ehow.com/how_8666376_identify-null-hypothesis-alternat...
