6. This box plot shows the number of minutes passengers spent in a station waiting room. What is the range of times spent in the waiting room? 7. This box plot shows the number of minutes passengers spent in a different station waiting room. What is the inter-quartile range of times spent in the waiting room? 8. This box plot shows the lengths of leaves (in centimeters) collected by a botanist. Express the minimum length as a percentage of the maximum length. 6 points if 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