## Statistical Inference

Statistical inference consists of estimating parameters and testing hypotheses. Estimation has already been discussed, so this portion is about testing... Click here to read more

From basic to higher mathematics

Statistical inference consists of estimating parameters and testing hypotheses. Estimation has already been discussed, so this portion is about testing... Click here to read more

Any opinion or idea may be formed about the population under study. Consider the following statements: The average consumption of... Click here to read more

The hypothesis which is to be tested is called the null hypothesis. It is denoted by . It is a... Click here to read more

The hypothesis which is accepted when the null hypothesis has been rejected is called the alternative hypothesis. It is denoted... Click here to read more

The given hypothesis is tested with the help of the sample data. A simple random sample has the full freedom... Click here to read more

A simple hypothesis is one in which all parameters of the distribution are specified. For example, the heights of college... Click here to read more

A statistic is calculated from a sample. To begin with, we assume that the hypothesis about the population parameter is... Click here to read more

All possible values which a test-statistic may assume can be divided into two mutually exclusive groups: one group consisting of... Click here to read more

When the alternative hypothesis is one-sided like or , then the rejection region is taken only on one side of... Click here to read more

When the rejection region is taken on both ends of the sampling distribution, the test is called a two-sided test... Click here to read more

The null hypothesis is accepted or rejected on the basis of the value of the test-statistic, which is a function... Click here to read more