Analyse the variance in the following Latin square of yields (in kgs) of paddywhere A, B, C, D denote the different methods of cultivationD122A121C123В 122В 124C123A122D125A120B119D120C121C122D123B121A122Examine whether the different methods of cultivation have given significantlydifferent yields.

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Answered: Analyse the variance in the following…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The assumption of homogeneity of variances was tested by Levene’s Test, F(2, 432) = 4.61, p < .001. Was the assumption met?
For an analysis of variance comparing four treatments with n = 12 in each treatment, what would be the df for F-test? 3, 48 4, 44 4, 48 3, 44
Below we have given the notation used for the four sums of squares in the analysis of variance for a randomized block design. For each sum of squares, state its name, the source of variation it represents, and its dening formula.a. SSBLb. SSEc. SSTRd. SST
An analysis of variance produces SSbetween = 40, SSwithin = 60, and an F-ratio with df = 2, 15. For this analysis, what is the F-ratio?
An analysis of variance produces SStotal = 80 and SSwithin = 30. For this analysis, what is SSbetween? a. 30 b. 50 c. 110 d. Cannot be determined without additional information
An analysis of variance demonstrated the following results for course sense of community, F(2, 27) = 2.56, p = .07. Students in online courses (M = 12.4, SD = 2.26, n = 10), blended courses (M = 13.62, SD = 5.56, n = 10), and the residential courses (M = 14.65, SD = 7.56, n = 10) were measured on their sense of community. What can be concluded based on these results?
A one-way analysis of variances produces dftotal = 39 and dfwithin = 36. For this analysis, what is dfbetween? A)1 B) 2 C) 3 D) 0
A civil engineer tested two different types (A and B) of a special reinforced concrete beam. He made nine test beams (five A 's and 4 B's) and measured the strength of each. From the following strength data (in coded units) he wants to decide whether there is any real difference between the two types. Type A 67 80 106 83 89 Type B 45 71 87 53 1. Use Wilcoxon-Mann-Whitney test to answer this question2. Use unpaired t-test, assuming equal variances between groups, to answer this question 3. Use unpaired t-test, assuming unequal variances between two groups, to answer thisquestion
How many F ratios are figured in a two-way analysis of variance? 1 2 3 as many as there are cells in the design
Given the following analysis of variance table, compute mean squares for between groups and within groups. Compute the F ratio and test the hypothesis that the group means are equal.Source of Variation Sum of Squares Degrees of FreedomBetween groups 879 3Within groups 798 16Total 1,677 19
The F-ratio for a one-way analysis of variance comparing three treatments with n = 10 in each treatment would have df = 2, 29. a)true b)false
An analysis of variance is used to evaluate the mean differences for a research study comparing five treatment conditions with a separate sample of n = 6 in each treatment. If SSbetween treatments = 24 and SStotal = 74, find the F-ratio. a. f=1 b. f=2 c. f=3 d. f=4

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