Rosa and Leann are working on a group English assignment. They each write one
essay alone and then one essay together. Leann takes 6 hours longer than Rosa to
write her individual essay. Writing at the same rate, they complete their combined essay
in 4 hours. How long does it take Leann to write her individual essay?
hours

The correlation coefficient between the number of students and marks obtained in end semester exam. (13 marks) give the statistical meaning of the relationship between the number of students and marks b. obtained in end semester exam. (3 marks) draw the number of students and marks obtained in end semester exam scatter diagram c. (4 marks) check list write your name and id corectly write the question number properly use your own calculator. show all the steps to solve the problems. use the correct formula. answer in provided time. don't use your mobile for any purpose. write your answer up to two decimal places