Can you help me with this...thank you​

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table