The perpendicular bisectors (shown with dashed segments) of triangle MNP meet at point O (the circumcenter). Find the indicated measure

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.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box