An educational researcher is analyzing the test scores for
physics students taught using two different methods – a traditional
method, and a web-based self-paced method. Can he conclude, at =
.05, that the test scores in the web-based self-paced method are
lower? Traditional Web-based Self-paced Sample size 1=60 2=40 Mean
test score1= 86 2=83 Population variance1=28 2=32. please show
work





