Question: Scores on the math SAT are normally distributed. A simple random sample of 21 SAT scores had standard deviation s = 88. Someone says that

  1. Scores on the math SAT are normally distributed. A simple random sample of 21 SAT scores had standard deviation s = 88. Someone says that the scoring system for the SAT is designed so that the population standard deviation will be = 101. Do these data provide sufficient evidence to contradict this claim? Use the critical value method and the = 0.01 level of significance.

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