A publishing company wanted to test whether typing speed differs when using word processor A or word processor B. A random sample of 25 typists was selected and the typing speeds (in words per minute) were recorded for each typist when using word processor A and then when using word processor B. (Which word processor is used first is determined for each secretary by a coin flip). In this case, which of the following is the appropriate set of hypotheses? Group of answer choices (: ) and (: ) (: ) and (: ) (: ) and (: ) None of the above. This is not a matched pairs situation