Ask your own question, for FREE!
Mathematics 19 Online
OpenStudy (anonymous):

rylan is testing 2 different types of nail polish on her fingernails to determine which one lasts longer. she purchases Brand A and Brand B from the drug store. She then paints her nails with Brand A and her sister's nails with Brand B. She compares the nails polish at the end of the week and determines that Brand B last longer because there fewer chips than Brand A. Why is her conclusion not valid?

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!