Question

Already posted and got parts 1-4. Need the test of the questions please!!

5) Iran an ANOVA for this test. When I printed out the Word Doc in Google Docs, it eliminated a few of the values I highlighted in the ANOVA table. Use your knowledge of the ANOVA table and fill in the blanks. In this test, there are 5 groups and each group consist of 20 samples (100 total). df MS ANOVA Source of Variation Between Groups Within Groups Total SS 190 Fcrit 2.77 690 Does there seem to be a significant difference between some of the groups? (Use the F crit value to make your determination.) ii) In general, can you tell which group(s) is different from the others? Suppose I did this analysis for a researcher. They wanted me to run comparisons among all the possible pairs. How many pairs is that? (Think AB, AC, ...) iv) Earlier in the class we used the calculation: P(Get all comparisons right) = P(Get each pair right)compersons made) What is the probability of getting all the comparisons right if you set the probability of getting each pair right to 99% (0.99)? Suppose that the researcher is not satisfied with the probability of getting all the comparisons correct. They change their probability of getting all the comparisons right to 0.99. V) What is the new probability of getting each pair right? vi) What is your new P-value?

Answer 1

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Significant difference between Aus :- i) Yes, there is a groups. ii) No, because we have no information about the sample groups: iii) 24 comparisonsi iv) probability - (0.99]24 -0.786 Source SS df MS Fonit Between 190 4475 9.025 2:77 groups groups within 500 955.263157895 Total 690 99