F-Test for Equality of Two Variances

 The F Test for Equality of Variances between two groups is a statistical test used to compare the variances of two samples to determine whether they are equal. It is based on the assumption that the samples are drawn from normally distributed popula...

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Dec 22, 2022
One Sample Variance Test (Chi-square)

 The Chi-Square Test for One Variance is a statistical test used to compare the variance of a sample to a known population variance. It is used to test a hypothesis about the population variance and is based on the assumption that the sample is drawn...

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Dec 21, 2022
Paired t-Test (Dependent Samples)

 Paired t-Test A paired t-test is a statistical test used to compare the means of two related samples or matched pairs. It is used to test a hypothesis about the difference between the means of the two samples. It is based on the assumption that the...

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Dec 21, 2022
Two Sample t Test (Independent Samples)

 A two-sample t-test is a statistical test used to compare the means of two different samples to determine if there is a significant difference between them. It is based on the assumption that the samples are drawn from populations with normal distri...

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Dec 21, 2022
One Proportion Z Test

 A one-proportion z-test is a statistical test used to compare the proportion of a sample to a known population proportion. It is used to test a hypothesis about the population proportion and is based on the assumption that the sample is drawn from a...

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Dec 21, 2022
One Sample t Test

 A one-sample t-test is a statistical test used to compare the mean of a sample to a known population mean. It is used to test a hypothesis about the population mean and is based on the assumption that the sample is drawn from a normally distributed...

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Dec 21, 2022
P-Value in Statistical Hypothesis Tests

The p-value is the probability of obtaining a test statistic that is equal to or more extreme than the one observed, assuming that the null hypothesis is true. It is used in hypothesis testing to determine the significance of the observed results. Fo...

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Dec 20, 2022
Two Sample Z Hypothesis Test

 A two-sample z-test is a statistical test used to compare the means of two different samples to determine if there is a significant difference between them. It is based on the assumption that both samples are drawn from normally distributed populati...

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Dec 20, 2022