Statistical Significance

SignificanceGiven that we have a set $\tilde x$ of data and a desired level of significance $s$, we want a function ${\rm ttest}(\tilde x,s)$ which can be either zero or one. If the value is one then the function tells us that the sample mean of the dataset $\tilde x$ is significantly different from zero, at level $s$. Similarly, if we have two datasets $\tilde x_1,\tilde x_2$ then we want a function ${\rm ttest}(\tilde x_1,\tilde x_2,s)$ that tells us whether or not the two datasets have a significantly different mean, at level $s$. …

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