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(Python) In Fisher's iris data http://www.randomservices.org/random/data/Iris.html, consider the petal length variable for the samples of Versicolor and Virginica irises. Test the following at the 10%

(Python) In Fisher's iris data http://www.randomservices.org/random/data/Iris.html, consider the petal length variable for the samples of Versicolor and Virginica irises. Test the following at the 10% significance level:

(a) H₀ : ₁ = ₂ versus H₁ : ₁unequal to ₂.

(b) H₀ : ₁ = ₂ versus H₁ : ₁> ₂ (assuming that ₁ = ₂)

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