Chapter 4 quiz - 4-5 Quiz_ Python Functions

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Jan 9, 2024

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Question 1 3 / 3 points The null and alternative hypotheses for a hypothesis test of the difference in two population means are: Null Hypothesis: Alternative Hypothesis: Notice that the alternative hypothesis is a two-tailed test. Suppose ttest_ind method from scipy module is used to perform the test and the output is (-1.99, 0.0512). What is the P-value for this hypothesis test?

Select one. Question options: 0.0512 1.99 -1.99 0.0256 Question 2 3 / 3 points Which of the following Python methods is used to perform a hypothesis test for the difference in two population proportions? Select one. Question options: prop_hypothesis_test from statsmodels module prop_1samp_hypothesistest from pandas module proportions_ztest from statsmodels module prop_1samp_ztest from numpy module Question 3 3 / 3 points What are the inputs to ttest_ind method in the scipy module? Select one.

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