Which of the following is true about the homogeneity of variances assumption?     You need to obtain a new set of data     You must calculate Cohen's d     If unequal, you should exclude some participant data     It cannot be violated if you want to conduct an independent samples

Q: Which of the following is TRUE about the variance of the sampling distribution of sample means? It…

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Q: The homogeneity of variance assumption requires that: A. the sample variance is equal to the…

A: The assumption of homogeneity of variance is that the variance within each of the populations is…

Q: Which of the following are assumptions on the use of paired t-test? a. There is a relationship…

A: Paired t test is used to measure the mean significance between the two paired sample. In which the…

Q: 28. Which of the following statements is true? a. In one -way ANOVA the total sum of squares…

A: Solution: The linear mathematical model of one way anova is  yij=μ+αi+εijWhere yij  is the jth…

Q: Looking at the significance (Sig) of the Test for Equality of Variances, what should your action be?…

A: Independent sample t test: The two independent sample t test is used to determine the significance…

Q: Given below are the analysis of variance results from a Minitab display. Assume that you want to use…

A: Given,  P-value  =0.264

Q: Consider that X1, X2, X3, X4, X5 is an independent random sample where Xi follows a normal…

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Q: A researcher used an analysis of variance (ANOVA) to compare four treatment conditions with a…

A: Obtain the missing values in the ANOVA table. The missing values are obtained below as follows :…

Q: What is a statistical research tool that is used to simultaneously test the equality of multiple…

A: We are given that  A statistical research tool that is used to simultaneously test the equality of…

Q: Consider a population of size 150 students. You want to sample only 10 students using systematic…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: Which of the following is (are) TRUE when variances are heterogeneous across treatments?…

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Q: A paper company has about 50 paper mills distributed over 3 provinces. The 50 papermills have a…

A: According to the answering guidelines, we can answer only three subparts of a question and the rest…

Q: 10. Consider the following questions concerning the sample variance: (A) Is it possible for a…

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Q: A researcher wants to know if male and female college students differ with regard to their GPAs. She…

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Q: 1. State the null and alternative hypotheses. Determine whether the type of test to be used is…

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Q: 1. A psychologist would like to research if the Hope scale (Synder, et al., 1991) scores differ…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A repeated-measures analysis of variance for a study comparing three treatment conditions with a…

A: It is given that,  there are total 3 treatment and we have a sample of size, n=20 The calculated…

Q: Imagine you conduct a t-test and the output reveals that Levene's test for equality of variance is…

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Q: Anthony says to Eric that he is a stronger student because his average grade for the first six…

A: Given: Anthony says to Eric that he is a stronger student because his average grade for the first…

Q: Which one of the following tests can be done if there are more than two groups being compared?…

A: Note- As per our policy we can answer only the first 3 sub-parts of a question. If you want…

Q: Which of the following statistical Assumption of a one way ANOVA is NOT an assumption for one sample…

A: One sample T test and one way ANOVA assume several assumption.

Q: A researcher selects a sample from a population with µ = 30 and uses the sample to evaluate the…

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Q: Which of the following are assumptions of ANOVA? Select all that apply ) The variance is the same in…

A: 7. It is been asked to find the assumptions of ANOVA and alternative hypothesis of ANOVA using given…

Q: A auto maker is interested in information about how long transmissions last. A sample of…

A: Answer:-

Q: Regarding the SPSS output of an Independent Samples t test, if Levene's Test for Equality of…

A: We are asked the row which we will see for independent samples t test.

Q: A paper company has about 50 paper mills distributed over 3 provinces. The 50 papermills have a…

A: Given  n=80 machines Average thickness=1.2mm The standard error of the thickness=1.3 mm

Q: You conduct an analysis of variance (ANOVA). Suppose that the means u; are very different across all…

A: It is given that the means μj are very different across all groups and then you calculate the…

Q: When applying one-way analysis of variance (ANOVA), all the following are key assumptions that…

A: Solution.

Q: A psychologist is using a repeated-measures analysis of variance to evaluate the results from a…

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Q: . Which one of the following tests can be done if there are more than two groups being compared?…

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: Airline companies are interested in the consistency of the number of babies on each flight so that…

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Q: (b) The analysis of variances F-test statistic is given by what? (This is a reading assessment…

A: Given see the handwritten solution

Q: 1. A psychologist would like to research if the Hope scale (Synder, et al., 1991) scores differ…

A: Note: " Since you have posted many sub-parts. we will solve the first three sub-parts for you. To…

Q: Which of the following is true of the F statistic calculated in the one-way analysis of variance?…

A: We have given that,  Which of the following is true of the F statistic calculated in the one-way…

Q: A triathlete maintains his good condition by frequently exercising. Below is a sample list of the…

A: (1) Obtain the value of the variance. The value of the variance is obtained below as follows: The…

Q: The problem with relying on a point estimate of a population parameter is that: Select one: a. it…

A: The problem with relying on a point estimate of a population parameter is that

Q: (c) Perform the analysis of variance (ANOVA) at the a = 0.05 to identify is there any significant…

A: The ANOVA is used to compare the more than two population group means. While, the ANOVA is works…

Q: 3. Which of the following are practical ways to assess equal variances of the residuals? Select all…

A: The equal variance of residuals:The assumption of homogeneity of variance is important for ANOVA…

Q: = 42 H,: 41 Ha:H1 > H2 or either. However, you also have no reason to believe the variances of the…

A: For sample 1 : sample size (n1) = 21 sample mean (x̄1) = Σx1 /n1 = 1492.3/21= 71.06  sample…

Q: Two machines are used to package laundry detergent. It is known that weights of boxes are normally…

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Q: Which of the following is an assumption of the One-Way Analysis of Variance? A. Individual items in…

A: Note: Hey, since multiple questions are posted, we will answer first question for you. If you want…

Q: researcher selects a sample from a population with µ = 30 and uses the sample to evaluate the effect…

A: Effect Size :  A commonly chosen measure of effect size is Cohens d. When attempting to determine…

Q: Which of the following statements is NOT TRUE about measures of variability? a. Range is a quick but…

A: Option C is correct because  the value of variance is always nonnegative  And as we know that…

Q: You work for a soft-drink company in the quality control division. You are interested in the…

A: Given Information: Sample size n=16 Sample variance s2=0.012

Q: One of the following is an example of a question that might be asked to ascertain a problem with a…

A: Given four questions related to non-representative sample.

Q: Which of the following is NOT true when using one-way analysis of variance for testing equality of…

A: Solution

Q: You conduct a between-subjects ANOVA investigating whether different states produce tastier cheeses.…

A: It is given that the value of eta-squared is 0.50.

Q: Which of the following conclusions is correct for these test results? > bartlett.test(len~river,…

A: Bartlett test is given by- T=(N-k)ln(sp2)-∑i=1k(Ni-1)ln(si2)1+13(k-1)(∑i=1k1ni-1-1N-k) where N is…

Q: Suppose pl and p2 are two forecast statistics (formulae) - independent of each other - for the…

A: Given that p1 and p2 are two forecast statistics and also they are independent

Q: 2. Two kinds of bumper guards, six of each kind, were mounted on a certain make of compact car. Each…

A: t-test for difference of mean (assume that variance are equal)     t=x¯1-x¯1Sp1n1+1n2where Sp=…