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.
Answers: 3
Mathematics, 21.06.2019 19:10, Lewis5442
Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?
Answers: 1
Mathematics, 21.06.2019 22:00, breannaasmith1122
Mr. walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?
Answers: 1
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