Statistics Assignment | Professional Writing Services
Two groups of 100 students are randomly divided into two groups of 50. The experimental group receives a new teaching method, the control group receives no intervention.
One month later, test results reveal the students test levels are 0.64 and 0.40 respectively.
Is the teaching method effective? use a=0.5.
State the difference between the two groups using a 95 % confidence level.
Get Statistics homework help today