Question

Researcher designs a study to compare the effectiveness of using computer instruction to teach English for non-English speaking people. The researcher randomly assigned 125 students from a class of 300 students to instruction using computer software. The remaining 175 students are instructed using traditional method. At the end of six months instruction period, Students are given an examination. Out of 125 computer instruction students, 78.4% pass the examination, was 62.86% students past the traditional instruction students. Does instruction using computer software appear to increase the proportion of students passing the examination? Use a= 0.05 to decide. What is the P-value?

Answer 1

As pp value is less then 0.05 level we reject null hypothesis and conclude that

computer software appear to increase the proportion of students passing the examination