At sam’s swimming pool cleaning, sam charges each of his 85 customers $25 per week for 52 weeks of service every year. since pool cleaning is a service, it has no cost other than labor and supplies, which cost sam $48,000 each year. calculate sam’s annual gross profit. a) $2,125 b) $4,420 c) $62,500 d) $110,500

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