In: Statistics and Probability
What is a standard error?
What does it mean for an estimate to be "statistically
significant"?
Standard error:- The standard error is a statistical term that measures the accuracy with which a sample distribution represents a population by using standard deviation.
Statistically significant:- Statistical significance is the likelihood that a relationship between two or more variables is caused by something other than chance. Statistical hypothesis testing is used to determine whether the result of a data set is statistically significant.
It means that if the Null Hypothesis is true (which means there really is no difference), there's a low probability of getting a result that large or larger