One Sample T-Test One Sample T-Test 95% Confidence Interval Statistic df p Mean difference Effect Size Lower Upper sleep Student's t 50.9 499 <.001 cohen d note. h. h normality test w p sleep a low p-value suggests violation of the assumption descriptives n mean median sd se what is confidence interval for . note: given by jamovi not it difference between value this case and mean. to get you need add lower upper limits given. use calculator find then answer question. answer: now should practice writing your results in apa format. a. write one sentence explaining t-test do they include statistics parentheses format example below. look like numbers that will replace all are denoted red: t-value ci limit remember round intervals two decimals but give three p-value. tip: everything red have number enter. black exactly how it. if italics stay. there period or comma b. final sentences explain why these findings important future research study based on>