The test statistic of z= -1.90 is obtained when testing the claim that p<0.26. a. Using a significance level of a=0.01

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A: You cannot conclude that the treatment has a significant effect.

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A: Given Data: This is a right tailed test t=2.137 n=15

Q: question is pictured

A: Option B) 0.0042 Explanation:

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Q: Number 19

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A: Degrees of freedom = n-1

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A: GivenRegression equation is y=11.54+0.9xr=0.919p-value=0.000

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A: Given: n = 50 level of significance = 0.05 Sample data: 2.59 2.43 2.96 2.8 2.94 3.07…

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Q: ONLY NEED D & E The mean nicotine content of a simple random sample of 25 unfiltered king-size…

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A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: In a class of twenty-five 15-year old girls the average height is M = 62.60 inches. The national…

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A: Hypotheses: The null and the alternative hypotheses are,  H0:p=0.20H1:p&gt;0.20

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A: (a)

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A: Given Data : For Sample 1 x̄1 = 50.9 s1 = 12.0 n1 = 16 For Sample 2…

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A: Given : n = 30 μ = 15M= 17.4SS = 1260

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A: Given,sample size(n)=22sample mean(x¯)=13standard deviation(S)=1.2α=0.05

Q: State the null and alternative hypotheses that would be used to test the following claims. (a) There…

A: 1. a) Null Hypothesis &amp; alternative hypothesis: H0=μcompany1-μcompany1=0…