The hiking club climbed up 522 feet on monday and 365 feet on tuesday. hayley said that the hiking club climbed up 887 feet altogether.

which expression can be used to check hayley’s answer? is hayley correct?

a.
887 – 522
hayley is correct.

b.
887 – 522
hayley is not correct.

c.
887 + 522
hayley is not correct

d.
887 + 522
hayley is correct.

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