\f3. The weight of 3 children were measured before and after treatment with certain drug are presented in following table. The research Question is: The weight of children before treatment ls different from After treatmentar = 0.05 ID Child .1. 2 3 4 5 6 7 3 before after H0: ...................................................................................... H1: ........................................................................................ Test statistics: ....................................................................... Tab afar value : ...................................................................... Statistical decision: ................................................................ PK - Among l5? African-American men .the mean systolic blood pressure Was I46 mm Hg with a standard deviation of 27. We wish to know if on the basis of these data. we may conclude that the mean systolic blood pressure for a population ofAfrican-American is greater than I40. Use a=0.0 I. {2.5 marks HO: ...................................................................................... H1: ........................................................................................ Test statistics: ....................................................................... Tabular value : ...................................................................... Statistical decision