Statistical Tests of Significance
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One Sample t test
Formula used and other details
Sample mean (x̄)
Get from data
Required
Arithmatic Mean of the sample in your study.
Sample Standard Deviation (s)
Required
Sample Standard Deviation in your study
Sample Size in the group
(N)
Required
Total number of observations.
Hypothesized mean / known mean (μ)
Required
Hypothesized / known mean against which sample mean is compared.
Alpha % (type I error - in percentage)
%
Enter positive number between 0.01 to 50.00
Required
Commonly used values are 5%, 1% and 10%. If your significance level is 0.05, then enter 5
One sided or two sided
Enter either 1 or 2
Required
One tailed or two tailed hypothesis
Results