How do we interpret our decision on the null hypothesis? Question 5 options: We have evidence to believe that there is a difference in population mean knee laxities between the acute and subacute groups. We do NOT have evidence to believe that there is a difference in population mean knee laxities between the acute and subacute groups. We have evidence to believe that the population mean knee laxities is identical between the two groups. We do NOT have evidence to say that the population mean knee laxities are different than the sample mean knee laxities for the two groups