A professor has kept track of test scores for students who haveattended every class and for students who have missed one or moreclasses. below are scores collected so far.
perfect: 80,86,85,84,81,92,77,87,82,90,79,82,72,88,82
missed 1+:61,80,65,64,74,78,62,73,58,72,67,71,70,71,66
1. Evaluate the assumptions of normality andhomoscedasticity
2. conduct a statistical test to assess if exam scores aredifferent between perfect attenders and those who have missedclass
3. What is the meaning of the 95% confidence interval given fromthe R code. What does the 95% CI explain compared to the hypothesistest and how does the 95% CI relate to the test statistic and pvalue