1) Problems about survey/statistics/study

C. Quantity of the sample

P131 ~ A80

The assumption that $500 is a cheap tuition is open to double.

The arguer fails to convince us that all employees at APC need to improve their reading speed.

D. What question was asked in the survey?

P116 ~ A147

No evidence could indicate that players 10-25 years old will prefer such kind of game.

The arguer ignores other possible factors that may also lead to the decline in the sales of their video games.

Other questions that directly related to the conclusion: How about the supply of such video games.

How many players have access to such kind of computers?

Other feathers that may influence the overall quality of a game should also be taken in to account.

2) Problems about data/information

A. Vague data

P115~A144

The argue fails to convince us that funding for education is not a priority for most people, because we do not know the base amount of donations each group received the year before last year.

Maybe the educational institutions did not carry out effective fund-raising campaign last year.

We cannot ensure that it is the people’s perception suggest by the arguer that result in the differences in donation rates.