why use the letters a and b and what do they mean in a table? what are statistically significant variable what is a statistically significant variable what the letters on the table mean what letters in c show a difference between two variables which type of variable has the most statistically significant differences what the letters c mean what does the letters c and a mean what letter in the t table represents a difference between a variable and a variable? which letter of the data is the least statistically significant? which variable shows statistically significant differences what is the importance of the letters a to b when calculating significance different letters for statistical significance which variables show statistically significant differences and which do not what letter indicates statistically significant differences how do letters in the table tell the difference between the two variables? statistically significant difference between variables different letters of statistical significance what does b and c mean how to use the letter C in a statistical test