Please help with the methods and materials section using the guidelines and steps below.

Bio Stat HW # 8 5 ) a ) the null hypothesis is rejected in problem4 when using the V VV VV independant sample test b ) The independent sample test has a lower p. value , thele fine more power ( ) welch's test " ) welch's test because rejecting a null hypothesis when it is cenally true ( type I error ) is more harmed compared to failed to reject the null hypothesis when it is false ( type 1 1 error ) 6 ) Plot 1 = E Plot 2 : B Plot 3 : D Plot 4 : A 7 ) a ) First 2 : VV VV 25 . 3 - - 1.73 2 25. 4 : - 1. 150 Last 2 : 28 . 5 : 1. 150 28 . 7 : 1.732 b Normal Probability Plot 29.9 28 . 5 - 28. 27. 5- length ( cm) 27 26 . 5 - 24 - 25.5 -1 25 29.5 - 24 - to - 3 2 3 2 - score