A researcher was interested to study the performance of vocational skills of standard seven pupils of Maria De Matias as they were preparing themselves the national examination.Tha class had two streams, standard seven A and B.The researcher managed to collect the data and performed the analysis.Nevertheless he is requesting you as an expert in research to re- analyse the data.The raw of performance of stream A were :8,9,13,8,14,7,9,7,9,11,10,9,10,11,14,7,11,13,8,12 and stream B were 15,9,3,4,8,13,5,17,8,2,14,9,6,4,2,8,15,7,5,8.