# CML(2) - Question 1 3 points A financial economist wished...

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Question 1 3 points Save A financial economist wished to determine whether the profitability of financial institutions differed between the type of institution. Eight banks, five building societies and six credit unions were surveyed and the results are contained in the partially completed ANOVA table below: Source of Variation SS df MS Between Groups A C 173.7 Within Groups B D G Total 769.3 E Assume that a 0.05 level of significance has been adopted for the test. 1. Calculate the test statistic, reporting your answer correct to two decimal places. 2. Use the tables in the text to determine the critical value for the test. 3. Is the null hypothesis rejected for this test? Type yes or no. 4. Hence, on the basis of this test, do there appear to be differences in the average level of profitability between the different types of institutions? Type yes or no. Question 2 1 points Save Consider the following statements: A. Completely randomised designs are experiments in which subjects are randomly assigned to levels of a single factor. B. A completely randomised design with six levels has twelve possible pairwise comparisons. C. Rejecting the null hypothesis for the F test implies that all the means are different.

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only A is true only C are true only A and B are true only B and C are true all thre e stat eme nts are fals e
Question 3 2 points Save In a one factor ANOVA, there are 3 independent samples, with n 1 = 10, n 2 = 12 and n 3 = 11. The calculated F-statistic is F = 5.51. At the 0.005 level of significance: 1. Use the tables in the text to determine the critical value of the test. (2 Decimal places) 2. Is the null hypothesis rejected for the test? Type yes or no. Question

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## This note was uploaded on 10/21/2009 for the course ECON 1320 taught by Professor John during the Three '08 term at Queensland.

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CML(2) - Question 1 3 points A financial economist wished...

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