Help me please. i will mark brainlist

In a study of a weight loss program, 40 subjects lost a mean of 3.0 lb after 12 months. does the weight loss program have practical significance? a. yes, because the weight loss program worked and the subjects lost a mean of 3.0 lb. b. no, because the mean weight loss of 3.0 lb after one year does not seem to justify the program. c. no, because the sample of 40 subjects was too small to determine if the program was useful. d. yes, because the mean weight loss of 3.0 lb after one year does seems to justify the program.

Ineed to interview a person with a toddler : )

Which of the following must be treated under the care of a physician and is mainly considered a medical condition? a. scoliosis b. lordosis c. kyphosis d. all of the above