# Free P-value calculator

## Generate Perfect P-values From Various Statistical Test Scores With Our Free P-value Calculator

P-value calculator assists you to calculate one-sided and two-sided P-values. The formulas used for finding a left-tailed test, a right-tailed test, and a two-tailed test are as follows, p-value = Pr(S ≤ x | H0), p-value = Pr(S ≥ x | H0), and p-value = 2 * min{Pr(S ≤ x | H0), Pr(S ≥ x | H0)}.

#### What Does A P-Value Calculator Do?

As the name explains itself, a P-Value Calculator calculates or generates P-values from the various statistical scores. It is an online statistical tool that helps determine the probability of achieving the results as equal or extreme as the observed hypothesis. The calculation of probability is made with the assumption that the given null hypothesis is true. The stronger P-value gives more robust evidence towards the hypothesis being true and vice versa.

The p-value calculators calculate the p-values. It is calculated by the deviation between the observed value and chosen value. The concept of p-value holds greater significance in the field of science and other related fields, but many people find it intimidating to calculate it.

The p-value calculator is useful for the researcher to determine the validity of their hypothesis. Determining the p-value helps the researchers determine the likelihood of their hypothesis to be similar to the observed results. In simple words, the p-value calculators help the researcher find out if the assumptions they made in their hypothesis were correct or not and to what extent.

Besides the researcher, the p-value calculator is also helpful for students seeking online class help for their research or academic paper. Carrying out research is not limited to a doctoral program but is gradually being introduced in the schools. Hence, the p-value calculator comes in handy for the students as well.

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