Significance Level Calculator

The probability of rejecting the null hypothesis in a statistical test when the hypothesis is true is called as the significance level. The corresponding significance level of confidence level 95% is 0.05. Use this simple online significance level calculator to do significance level for confidence interval calculation within the fractions of seconds. This two tailed and one tailed significance test calculator is a renown tool for fastest computations.

Two tailed and One Tailed Significance Test Calculator

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The probability of rejecting the null hypothesis in a statistical test when the hypothesis is true is called as the significance level. The corresponding significance level of confidence level 95% is 0.05. Use this simple online significance level calculator to do significance level for confidence interval calculation within the fractions of seconds. This two tailed and one tailed significance test calculator is a renown tool for fastest computations.

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Formula:

For One Tailed l = 100 - c For Two Tailed l = (100 - c) / 2 Where, l = Significance Level c = Confidence Level

Example:

Calculate the significance level in one tailed test for the confidence interval of 90 %.

Solution:

l = 100 - 90
= 10 %.

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