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[Steps Shown] In a study of the effects of a special study of Mexican culture, the attitudes of Anglo and Mexican-American students were compared. All students

Question: In a study of the effects of a special study of Mexican culture, the attitudes of Anglo and Mexican-American students were compared. All students responded anonymously to a posttest attitude inventory. The results were as follows:

Anglo 51.22 63 6.94
Mexican-American 59.19 27 10.76
  1. (4 points) Construct a 95% confidence interval for the population standard deviation for each of the two groups.
  2. (1 point) Based on these confidence intervals, can you assume Homogeneity of Variance?
  3. (1 point) Based on the F-test, can you assume Homogeneity of Variance?

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