Chapter 3 quiz -3-4 Quiz_ Python Functions

Question 3 3/ 3 points Which Python module is used to create confidence intervals? Select one. pandas math matplotlib @) scipy Question 4 3/ 3 points Which of the following Python methods is used to perform hypothesis testing for a population mean when the population standard deviation is unknown? Select one. o ttest_1samp(dataframe, null hypothesis value) ztest(dataframe, null hypothesis value) ttest(dataframe, null hypothesis value) prop_1samp_hypothesistest(dataframe, n, alternative hypothesis value) Question 5 3/ 3 points Which of the following alternative hypotheses make a hypothesis test one-tailed? Select all that apply. | Parameter is less than a value | Parameter is greater than a value Parameter is not equal to a value