Two sample T hypothesis test:?1 : Mean of How old are you? where "New - Sleep environment" = "1.Quiet"?2 : Mean of How old are you? where "New - Sleep environment" = "2.Noise"?1 - ?2 : Difference between two meansH0 : ?1 - ?2 = 0HA : ?1 - ?2 ? 0(without pooled variances)Sample Statistics:Sample n Mean Std. dev.How old are you? where "New - Sleep environment" = "1.Quiet" 5 44.6 15.257785How old are you? where "New - Sleep environment" = "2.Noise" 6 44.666667 17.351273Hypothesis test results:Difference Sample Diff. Std. Err. DF T-Stat P-value?1 - ?2 -0.066666667 9.8355365 8.9507567 -0.0067781424 0.9947

Histogram of How old are you? How old are you? where "New - Sleep environment" = "1.Quiet" Green marker indicates the sample mean 30 40 How old are you