Exam 13: Experimental Design and Analysis of Variance

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Consider the following ANOVA table. Source of Variation Sum of Squares Degrees of Freed om Mean Square F Between Treatments 2073.6 4 Between Blocks 6000 5 1200 Error 20 288 Total 29 The mean square due to treatments equals

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Part of an ANOVA table is shown below. Source of Sum of Degrees of Mean Variation Squares Freedom Square F Between Treatments 180 3 Within Treatments (Error) TOTAL 480 18 The test statistic is

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To test whether or not there is a difference between treatments A, B, and C, a sample of 12 observations has been randomly assigned to the 3 treatments.You are given the results below. Treatment Observations A 20 30 25 33 B 22 26 20 28 40 30 28 22 The mean square due to treatments (MSTR) equals

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In a completely randomized design involving three treatments, the following information is provided: Treatment 1 Treatment 2 Treatment 3 Sample Size 5 10 5 Sample Mean 4 8 9 The overall mean (the grand mean) for all the treatments is

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Consider the following ANOVA table. Source Sum Degrees Mean of Variation of Squares of Freedom Square Between Treatments 2073.6 4 Between Blocks 6000 5 1200 Error 20 288 Total 29 The null hypothesis for this ANOVA problem is

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In a completely randomized experimental design involving five treatments, 13 observations were recorded for each of the five treatments (a total of 65 observations).Also, the design provided the following information. ​ SSTR = 200 (Sum of Squares Due to Treatments) SST = 800 (Total Sum of Squares) ​ The mean square due to error (MSE) is

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To test whether or not there is a difference between treatments A, B, and C, a sample of 12 observations has been randomly assigned to the 3 treatments.You are given the results below. Treatment Observations A 20 30 25 33 B 22 26 20 28 40 30 28 22 The test statistic to test the null hypothesis equals

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Consider the following ANOVA table. Source of Variation Sum of Squares Degrees of Freed om Mean Square F Between Treatments 2073.6 4 Between Blocks 6000 5 1200 Error 20 288 Total 29 The null hypothesis is to be tested at the 5% level of significance.The null hypothesis

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The number of times each experimental condition is observed in a factorial design is known as

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In ANOVA, which of the following is not affected by whether or not the population means are equal?

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In the ANOVA, treatments refer to

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Consider the following information. =6750 H0:\mu1=\mu2=\mu3=\mu4 =8000 : At least one mean is different If n = 5, the mean square due to error (MSE) equals

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The process of allocating the total sum of squares and degrees of freedom to the various components is called

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Consider the following information. ​ SSTR = 6750 H0: μ1 = μ2 = μ3 = μ4 SSE = 8000 Ha: At least one mean is different ​ The null hypothesis is to be tested at the 5% level of significance.The p-value is

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In a factorial experiment, if there are x levels of factor A and y levels of factor B, there is a total of​

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If we are testing for the equality of three population means, we should use the​

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The independent variable of interest in an ANOVA procedure is called a

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In the analysis of variance procedure (ANOVA), "factor" refers to

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To test whether or not there is a difference between treatments A, B, and C, a sample of 12 observations has been randomly assigned to the 3 treatments.You are given the results below. Treatment Observations A 20 30 25 33 B 22 26 20 28 40 30 28 22 The null hypothesis is to be tested at the 1% level of significance.The p-value is

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The F ratio in a completely randomized ANOVA is given by

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