Local citizens have been concerned that the reading program in the public schools may be
inferior . The superintendent hires you to conduct an experiment to investigate. You set a =
0.05 (alpha level) for making your decision. You compare the reading level of current high
school seniors to national reading proficient norms which are normally distributed with M =
75 and SD = 16. You administer the reading test to 100 randomly selected high school
seniors in your city. The obtained mean of the sample = 72. What is your conclusion?
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