document.write( "Question 1192838: Meaning of “statistically significant.” When asked to explain the meaning of “statistically significant at the α=0.01 level,” a student says, “This means there is only probability 0.01 that the null hypothesis is true.” Is this an essentially correct explanation of statistical significance? Explain your answer. \n" ); document.write( "

Algebra.Com's Answer #824779 by Boreal(15235) $\"\"$ $\"About$

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No, it means that the probability or likelihood of getting the value obtained is only 1% if the null hypothesis were true. A lot of the words are the same, but the different order of them is important. We don't know for a fact that the null hypothesis is or is not true. If it is true, then what we saw happens only 1% of the time, and we have decided a priori that we would consider such a result as so unlikely as to discard the null hypothesis. \n" ); document.write( "

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