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Make objective decisions about the validity of the hypotheses.

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Q: What does hypothesis testing through statistical procedures enable researchers to do?
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What is a statistical hypothesis?

I think you are asking: What is hypothesis testing in the field of statistics. See: http://en.wikipedia.org/wiki/Statistical_hypothesis_testing


What is the meaning of hypothesis in statistics?

A hypothesis is the first step in running a statistical test (t-test, chi-square test, etc.) A NULL HYPOTHESIS is the probability that what you are testing does NOT occur. An ALTERNATIVE HYPOTHESIS is the probability that what you are testing DOES occur.


What is non-directional research hypothesis?

A non-directional research hypothesis is a kind of hypothesis that is used in testing statistical significance. It states that there is no difference between variables.


Differences between null and alternative hypothesis?

The difference between the null hypothesis and the alternative hypothesis are on the sense of the tests. In statistical inference, the null hypothesis should be in a positive sense such in a sense, you are testing a hypothesis you are probably sure of. In other words, the null hypothesis must be the hypothesis you are almost sure of. Just an important note, that when you are doing a tests, you are testing if a certain event probably occurs at certain level of significance. The alternative hypothesis is the opposite one.


How is the null hypothesis used in hypothesis testing?

Statistical tests compare the observed (or more extreme) values against what would be expected if the null hypothesis were true. If the probability of the observation is high you would retain the null hypothesis, if the probability is low you reject the null hypothesis. The thresholds for high or low probability are usually set arbitrarily at 5%, 1% etc. Strictly speaking, when rejecting the null hypothesis, you do not accept the alternative hypothesis because it is possible that neither are true and it is the model itself that is wrong.

Related questions

What does the researcher hope to do with null hypothesis (the opposite ofthe research hypothesis)?

In fact, any statistical relationship in a sample can be interpreted in two ways: ... The purpose of null hypothesis testing is simply to help researchers decide ... the null hypothesis in favour of the alternative hypothesis—concluding that there is a ...


What is Hypothesis Testing of Point Estimate?

A statistical estimate of the population parameter.


What is a statistical hypothesis?

I think you are asking: What is hypothesis testing in the field of statistics. See: http://en.wikipedia.org/wiki/Statistical_hypothesis_testing


What is the nature of hypothesis testing?

Hypothesis testing is a statistical method used to compare two or more sets of data to determine if there is a significant difference between them. It involves setting up a null hypothesis and an alternative hypothesis, collecting data, and using statistical tests to either accept or reject the null hypothesis based on the evidence. It helps researchers make informed decisions about the population based on sample data.


What is the meaning of hypothesis in statistics?

A hypothesis is the first step in running a statistical test (t-test, chi-square test, etc.) A NULL HYPOTHESIS is the probability that what you are testing does NOT occur. An ALTERNATIVE HYPOTHESIS is the probability that what you are testing DOES occur.


What is non-directional research hypothesis?

A non-directional research hypothesis is a kind of hypothesis that is used in testing statistical significance. It states that there is no difference between variables.


What has the author Herman J Loether written?

Herman J. Loether has written: 'Inferential statistics for sociologists' -- subject(s): Sampling (Statistics), Sociology, Statistical hypothesis testing, Statistical methods 'Descriptive and inferential statistics' -- subject(s): Sampling (Statistics), Sociology, Statistical hypothesis testing, Statistical methods 'Descriptive statistics for sociologists' -- subject(s): Sociology, Statistical methods


What has the author Lehmann written?

Lehmann has written: 'Nonparametrics : statistical methods based on ranks' -- subject(s): Nonparametric statistics, Statistical hypothesis testing


What has the author Ning-Zhong Shi written?

Ning-Zhong Shi has written: 'Statistical hypothesis testing'


What is statistical test of hypothesis?

A statistical hypothesis test will usually be performed by inductively comparing results of experiments or observations. The number or amount of comparisons will generally dictate the statistical test to use. The researcher is basically making a statement and assuming that it is either correct (the hypothesis - H1) or assuming that it is incorrect (the null hypothesis - H0) and testing that assumption within a predetermined significance level - the alpha.


What has the author Mary LaBrake written?

Mary LaBrake has written: 'Tests for differences' -- subject(s): Statistical hypothesis testing


What has the author Kurt Stange written?

Kurt Stange has written: 'Bayes-Verfahren' -- subject(s): Bayesian statistical decision theory, Estimation theory, Statistical hypothesis testing