[2] A research study was conducted to examine the impact of eating a high protein breakfast on adolescents' performance during a physical education physical fitness test. Half of the subjects received a high protein breakfast and half were given a low protein breakfast. All of the adolescents, both male and female, were given a fitness test with high scores representing better performance. Test scores are recorded below.
Protein
High Low
Gender Male
10 5
7 4
9 7
6 4
8 5
Female
5 3
4 4
6 5
3 1
2 2
a) Analyze the data and draw conclusions. (30 points)
b) Plot table of means. Give your comments. (10 points)
c) Give your recommendations for Male and Female. (15 points)
d) Analyze the residuals. (15 points)