Select all the correct answers.
grogain and follicleplus are hair regrowth systems. each company claims that the application of their product will cause hair regrowth
for balding men. a barber decided to test each company's claim. he randomly selected 30 of his customers who had similar balding
issues and asked 15 of them to use grogain and 15 of them to use follicleplus.
after observing the men for six months, the barber reported that, on average, those who used grogain had a 20% increase in hair
regrowth and those who used follicleplus had a 10% increase in hair regrowth.
which of the following statements are true?
follicleplus is the more effective hair regrowth system because it yielded a greater hair
regrowth increase percentage.
o
grogain is the more effective hair regrowth system because it yielded a lower hair
"regrowth increase percentage.
grogain is the more effective hair regrowth system because it yielded a greater hair
regrowth increase percentage.
follicleplus's claim is true.
follicleplus is the more effective hair regrowth system.
grogain's claim is true.