Mathematics, 13.03.2020 02:20 marioshadowman12

Scores on the math SAT are normally distributed. A sample of 20 SAT scores had standard deviation s = 95. Someone says that the scoring system for the SAT is designed so that the population standard deviation will be σ = 100. Do these data provide sufficient evidence to contradict this claim? Find the P-value. What do you conclude? Since , there sufficient evidence to contradict the claim.

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Scores on the math SAT are normally distributed. A sample of 20 SAT scores had standard deviation s...

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