Applying what you have learned.... When politicians make claims that we need to spend a large amount of money to achieve a goal, the claim is often made without legitimate evidence to support a claim that a given program will have a particular result. Let's say that a politician wants to implement a nation-wide education program. The politician gave four examples of schools that used the program: scores at the schools increased 0.5, 1, 2, and 2.5 points respectively (the nation-wide average of the scores is 70). The politician gave no additional evidence about the effectiveness of the program.

Question

Applying what you have learned.... When politicians make claims that we need to spend a large amount of money to achieve a goal, the claim is often made without legitimate evidence to support a claim that a given program will have a particular result.  Let's say that a politician wants to implement a nation-wide education program.  The politician gave four examples of schools that used the program: scores at the schools increased 0.5, 1, 2, and 2.5 points respectively (the nation-wide average of the scores is 70).  The politician gave no additional evidence about the effectiveness of the program.

Your task: What questions or comments would you have pertaining to the statistical claim made by the politician? You might inquire about the sample, the sampling methods, the full population, the sampling distribution of the mean, and whatever would be useful to more accurately or precisely describe the effectiveness of the program.  At the end of your post, state whether you would conclude that the program will increase scores nation-wide.

Note that it is a separate question of whether it is "worth it" to effect change by taking money from people in the form of taxes to pay for a program.  Other than (optionally) saying that you think the statistics can or can not answer such a question, the "worth it" question is not part of this discussion.

prove citations

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The D · Answer

First thing you do... Is ask the politician if he hates cheese. Usually these claims comes from a lack of it. Next you ask him what type of cheese he ate last, a good base will always be cheddar, but obviously copious amounts of mozzarella can do the job. Lastly ask him if he tried bribing the kids with cheese, kids love cheese on their food. Cheese will raise their grades even higher.