3. A random sample of nine students was selected to test for the effectiveness of a special course designed to improved

[answerhappygod]

3 A Random Sample Of Nine Students Was Selected To Test For The Effectiveness Of A Special Course Designed To Improved 1 (39.38 KiB) Viewed 126 times

PLEASE URGENT PLEASE URGENT PLEASE URGENT PLEASE URGENT PLEASE
URGENT PLEASE URGENT PLEASE URGENT PLEASE URGENT PLEASE URGENT
PLEASE URGENT PLEASE URGENT PLEASE URGENT PLEASE URGENT PLEASE
URGENT PLEASE URGENT PLEASE URGENT PLEASE URGENT PLEASE URGENT
PLEASE URGENT PLEASE URGENT PLEASE URGENT PLEASE URGENT PLEASE
URGENT PLEASE URGENT PLEASE URGENT PLEASE URGENT PLEASE URGENT
PLEASE URGENT PLEASE URGENT PLEASE URGENT PLEASE URGENT PLEASE
URGENT PLEASE URGENT PLEASE URGENT PLEASE URGENT PLEASE URGENT
PLEASE URGENT PLEASE URGENT PLEASE URGENT PLEASE URGENT PLEASE
URGENT PLEASE URGENT PLEASE URGENT
3. A random sample of nine students was selected to test for the effectiveness of a special course designed to improved memory. The following table gives the score in a memory test given to these students before and after this course. Before 43 57 65 49 After 4956 55 77 89 57 36 64 69 a) Construct a 95% confidence interval for the mean different score in a memory test before and after the course. (4 marks) b) Based on your confidence interval, does the special course designed increase the test score? Justify your answer. (2 marks)