A Study of Two Types of Weed Killers Was Done

question 50

Multiple Choice

A study of two types of weed killers was done on two identical weed plots. One weed killer killed 15% more weeds than the other. This difference was significant at the 0.05 level. What Does this mean?

• A) The improvement was due to the fact that there were more weeds in one study.
• B) The probability that the difference was due to chance alone is greater than 0.05.
• C) The probability that one weed killer performed better by chance alone is less than 0.05.
• D) There is not enough information to make any conclusion.