Researchers want to see the impact a new drug has on childhood autism. In a study, children's autism was measured before starting the new drug regimen for 45 days. At the end of the study, the children's autism was measured again. Answer the questions below using the partial SPSS results. Mean N Std. DeviationStd. Error Mean Pair 1pretest 3.66911.1603 posttest 4.83141.5278 Paired Differences t df Sig. (2-talied) Mean Std. DeviationStd. Error Mean99% Confidence Interval of the Difference LowerUpper Pair 1pretest - posttest-1.76002.4120 9