Intervention -16.7-14.8-11 .9ー9.71-9.6-8.8-8.0|-7.1 |-6.61-6.0 .6-5.6-5.5-5.5-5.1-5.0-5.0-4.8-4.4- 4.4 -4.0 -3.6-3.5-3.2-2.8-2.0 -1.4 -1.2 -0.2-0 0.0 0.2 0.6 1.0 1.2 1.2 -1.8-1.8 14 1.8 20 2.2 2.5 2.8 3.3 4.2 5.4 5.8 6.0 6.4 8.4 Control 12.0 10.0 9.0 8.6 7.16.7 6.1 48 4.6 4.5 2.8 2.8 2.8 27 1.8 1.6 1.0 0.7 04 0. 0.1-5.15.

the complete data set, click the link for your preferred software format: Excel Minitab JMP SPSS TI R Mac-TXT、 PC-TXT CSV Crunch!t! You may find Table C helpful.

(a) Give a 95% confidence interval for the difference in mean weight change after 15 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.)

lower bound:
upper bound:

(b) Give a 95% confidence interval for the mean weight change after 15 weeks for obese children who receive professional food counseling. Express the interval in the form lower bound to upper bound. Einter your answers rounded to two decimal places.)