What is the chi-square test-statistic for this data? χ2= At the alpha = 0.05 level, what is the conclusion for this test? Fail to reject the null hypothesis Reject the null hypothesis

Q: Suppose that we have a population of fungal spores which clearly fall into two size categories,…

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Q: ease write in APA formatting/style: A one way independent ANOVA showed that there was a…

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Q: You are conducting a multinomial hypothesis test for the claim that the 4 categories occur with the…

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A: City Size Mean SD Topeka 4 4 0.5 Wichita 4 3.7 0.3 Significance level, α=0.01

Q: You are conducting a multinomial hypothesis test (a= 0.05) for the claim that all 5 categories are…

A: Given: ∝ = 0.05. k = 5 From the provided data we have the computations as, Category Observed…

Q: If the ANOVA null hypothesis is that all the Betas are zero, is this hypothesis rejected at the 2.5%…

A: Test is that whether all betas are zero. It is given that  Level of significance = 2.5% = 0.025

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A: Since , the Z-scores are given. Our aim is to find the probability Here , we use the standard normal…

Q: not use ai please

A: Given InformationSSTR=253.1SSE=2849.5c=3n1=n2=n3=11Step 1: Calculate Total Number of Observations…

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A: Note: “Since you have posted multiple questions, we will provide the solution only to the specified…

Q: Find the critical value(s) and rejection region(s) for a two-tailed chi-square test with a sample…

A: Given that, n=18 The type of test is two tailed test Degree of freedom:  df= n – 1    = 18-1    =17…

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A: The given data is as follows: Very good stain removalGood stain removalFair stain…

Q: Find the standardized test statistic, t, to test the claim that p = P. Two samples are randomly…

A: HERE GIVEN  n1=25, n2=30 X1¯=20, X2¯=18 S1=1.5, S2= 1.9

Q: Find the critical value(s) and rejection region(s) for a right-tailed chi-square test with a sample…

A: Solution: From the given information, the test is right-tailed, n=21 and the level of significance…

Q: You are conducting a multinomial hypothesis test (a = 0.05) for the claim that all 5 categories are…

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Q: The test statistic is t = ___. Critical value(s) is _____.

A:

Q: A researcher hypothesizes that the administration of Trintellix, a new treatment for clinical…

A: A researcher hypothesizes that the administration of Trintellix, a new treatment for clinical…

Q: If P-value = alpha , what is our statistical decision ?  - Reject Ho - Fail to reject Ho  -…

A: To summarize: \begin{aligned} p \text{-value} < \alpha &\Rightarrow \text{reject } H_0…

Q: The following table shows the distribution of uric acid determinations taken on 250 patients. Test…

A: Given: The following table shows the distribution of uric acid determinations taken on 250 patients.…

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A: Here use paired test to determine whether the treatment is effective means that mean difference of…

Q: Number 3

A: Name: Sample variance The formula for sample variance is given by:

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A: Given : n = 14 α = 0.10

Q: Which statistical test should this question use? Q. Testing the relationship between the level of…

A: Pearson r Spearman

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A: Unemployed(Group 1) Part Time Worker(Group 2) Full Time Worker(Group 3) 9 8 7 7 7 9 8 7 7 9…

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A: Basics: Rejection Rule: It test statistics value(Obtained value) is greater than the critical value…

Q: T= (round 2 decimal places  P value= round 3 decimal places

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Q: You are conducting a multinomial Goodness of Fit hypothesis test for the claim that the 4 categories…

A: That is, there is no evidence to conclude that the proportions have changed. That is, there is…

Q: Listed below are systolic blood pressure measurements (in mm Hg) obtained from the same woman, Find…

A: Given :  Provided are systolic blood pressure measurements (in mm Hg) obtained from the same woman .…