0
If you select a large enough sample size can you reject any null hypothesis?
Wiki User
∙ 14y ago
The simple answer is no. This depends on a lot of factors such as alpha which determines the critical value and the absolute value of the difference between the claim and sample data. Mathematically speaking, all things being equal, the larger the sample size the larger the absolute value of the test statistic. The formula for the test statistic mean with sigma known is shown below. You can substitute values in and perform the mathematics. The larger the sample size, the larger the Z value; but note if the numerator is small, even a small denominator will not produce a large Z value. In fact, the numerator could be zero which would make the test statistic zero. Z = (Xbar - μxbar)/(σ/√n) (formula from Elementary Statistics by Mario F. Triola)
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
How do you perform a Statistical Hypothesis Testing?
To start with you select your hypothesis and its opposite: the null and alternative hypotheses. You select a confidence level (alpha %), which is the probability that your testing procedure rejects the null hypothesis when, if fact, it is true.Next you select a test statistic and calculate its probability distribution under the two hypotheses. You then find the possible values of the test statistic which, if the null hypothesis were true, would only occur alpha % of the times. This is called the critical region.Carry out the trial and collect data. Calculate the value of the test statistic. If it lies in the critical region then you reject the null hypothesis and go with the alternative hypothesis. If the test statistic does not lie in the critical region then you have no evidence to reject the null hypothesis.
How much error between sample mean and population mean?
The answer depends on the underlying variance (standard deviation) in the population, the size of the sample and the procedure used to select the sample.
What is the preferred method to select a sample population?
simple random sampling method
What kind of sample is it when you select individuals who are easily obtained?
It is called convenience sampling.
What is the chief aim of probability sampling is to be able to select?
The chief aim is to find a representative sample; that is, a sample which reflects the properties of the population, as a whole.
How do you perform a Statistical Hypothesis Testing?
To start with you select your hypothesis and its opposite: the null and alternative hypotheses. You select a confidence level (alpha %), which is the probability that your testing procedure rejects the null hypothesis when, if fact, it is true.Next you select a test statistic and calculate its probability distribution under the two hypotheses. You then find the possible values of the test statistic which, if the null hypothesis were true, would only occur alpha % of the times. This is called the critical region.Carry out the trial and collect data. Calculate the value of the test statistic. If it lies in the critical region then you reject the null hypothesis and go with the alternative hypothesis. If the test statistic does not lie in the critical region then you have no evidence to reject the null hypothesis.
How do you reject a transaction?
Select the transaction, then click the Reject button
How do you reject transactions?
Select the transaction, then click the Reject button
How do you select sample size in market research?
to select a random sample you pick them at random
Example of null hypothesis?
Null hypotheses state that there is no relationship between select variables. For example, there is no relationship between personality and alcoholism.
How do you think you could select a random sample of your classmates?
It depends on the what the sample is for, but at least get both girls and boys in the sample.
Is a sample really random if only a select group of people respond?
no
How much error between sample mean and population mean?
The answer depends on the underlying variance (standard deviation) in the population, the size of the sample and the procedure used to select the sample.
How you found msbte sample qu?
goto msbte.com then downloads>curriculam n jst select the sample question papers from the list..
What is the preferred method to select a sample population?
simple random sampling method
What kind of sample is it when you select individuals who are easily obtained?
It is called convenience sampling.
What is the chief aim of probability sampling is to be able to select?
The chief aim is to find a representative sample; that is, a sample which reflects the properties of the population, as a whole.
