com/modules/test/tq.php?testid=984&strandid=7034& element=&assignment_id=38843429&load_test=1&teacher Preview=#test
Hand Washing Test
Bacterial cultures */plate)
Treatment
Warm water
Hand sanitizer
Soap A
Soap B
Ms. James wanted to buy a product that would kill bacteria on her students' hands before taking them to lunch. The label on
the hand sanitizer said that it would kill bacteria better than any soap on the market. Ms. James decided to compare the hand
sanitizer to two brands of soap and plain warm water. Ms. James applied different treatments to four samples and counted the
number of bacterial cultures after three days. The results are in the data table.
What should Ms. James infer about the hand cleaning products?
