Give a 95%95% confidence interval for the difference in mean weight change after 1515 weeks for obese children who receive professional food counseling and obese children who do not. Express the interval in the form lower bound to upper bound. (Enter your answers rounded to two decimal places.)

tube or goog would be a great resource to with that question

a is the right answer

the answer is (-8,-5)

step-by-step explanation:

the endpoint to midpoint is half the length. the length is (-2,-1) so when you are at the midpoint just add it to it to find your answer -6+(-2)= -8 and -4+(-1)=-5 so (-8,-5)