An independent measures research study uses two samples, each with 9 participants. If the data produces a t statistic of t = 2.56 , then which of the following is the correct decision for a two-tailed test.    Group of answer choices Reject the null hypothesis with α= .05 but fail to reject with α = .01 Reject the null hypothesis with either α= .05 or α = .01 Fail to reject the null hypothesis with either α= .05 or α = .01 Cannot answer without additional information

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Q: A researcher computes the following Pearson correlation coefficient: r = .38. If the sample size was…

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Q: 4. A researcher obtained the following results for an analysis using a suggested new procedure and a…

A: Given: n1 = 4 n2 = 3 Critical value t* = 2.57 Formula  Used: Test-statistic t = X1-X2sp1n1+1n2 Where…

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Q: In a one-way ANOVA, if the null hypothesis is H₁ H₂ = H₂ = H₂ = 4 then the alternative hypothesis…

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Q: You wish to test the following claim (HaHa) at a significance level of α=0.10α=0.10.…

A: Given Hypothesis:     Ho:μ=89.9      Ha:μ≠89.9  You obtain a sample of size n=14, mean M=88.5 and a…

Q: An independent measures study has n=12 participants in each of the two samples. if t=2.07, what…

A: An independent measures study has n=12 participants in each of the two samples. The t statistics for…

Q: Russell says he is willing to accept a 5% chance of making a Type I error in this study. What is the…

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Q: An auto manufacturer claims that its new 4-cylinder Hybrid auto with manual shift averages 50 mpg…

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Q: You wish to test the following claim (HaHa) at a significance level of α=0.10α=0.10.…

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Q: The value obtained for the test statistic, z, in a one-mean z-test is given. Whether the test is two…

A: a)GivenTest is left tailed testTest statistic(z)=-1.78

Q: You wish to test the following claim (HaHa) at a significance level of α=0.02α=0.02.…

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Q: Answer the following multiple choice questions. You must show some relavent work and/or explanation…

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Q: You wish to test the following claim (HaHa) at a significance level of α=0.10α=0.10.…

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Q: You wish to test the following claim (HaHa) at a significance level of α=0.001α=0.001.…

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Q: Consider the following hypothesis test. a. What is your conclusion if n₁ = 21, s² = 8.5, n₂ = = 26,…

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Q: An ice cream company owns two plants, namely A and B, and wants to test using a 5% significance…

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Q: An analysis of variance is used to evaluate the mean differences for a research study comparing four…

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A: Hypothesis Testing The process of drawing conclusions about a population based on a study of a…

Q: e the given information to complete parts​ (a) and​ (b) below.   Original​ claim: More than 54​% of…

A: The hypothesis regarding the population proportion will be: H0:p=0.54H1: p > 0.54

Q: 8.72 Given M = 88, M2 = 83, ty = 2.042, t = 2.040, and a two-tailed test %3D %3D %3D %3! with a =…

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Q: We wish to test if a new feed increases the mean weight gain compared to an old feed. At the…

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Q: One of the advantages of a repeated-measures design is that it removes the individual differences…

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Q: ou wish to test the following claim (HaHa) at a significance level of α=0.05α=0.05.…

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Q: Consider a hypothesis testing situation in which the null hypothesis is p = 0.48 and the alternative…

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Q: You wish to test the following claim (HaHa) at a significance level of α=0.001α=0.001.…

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Q: Two different simple random samples are drawn from two different populations. The first sample…

A: given data : n1 = 40x1  = 20 : n2  = 2200x2 = 1573α = 0.05claim : p1 ≠ p2p^1 = x1n1 = 2040 =…

Q: Find the P-value. Using a significance level of a = 0.05, should we reject Ho or should we fail to…

A: It is given asTest statistic, z = 2.47Claim: p > 0.8

Q: Explain how the power of a hypothesis test is influenced by each of the following. Assume that all…

A: Power of the test is probability of correctly reject the false null hypothesis.