SNHU MAT 243 (Applied Statistics for STEM) QUIZ THREE Questions and Answers with complete solution

Which of the following alternative hypotheses makes a hypothesis test two-tailed? Select one. Question options: Parameter is not equal to a value Parameter is greater than a value Parameter is less than a value - Parameter is not equal to a value Which of the following methods from Python's submodule is used to calculate a confidence interval based on the Normal Distribution? Select one. Note: st is from the import command import as st Question options: l dence_interval dence_interval val - val Which of the following Python methods in statsmodels module is used to perform hypothesis test for a population proportion? Select one. Question options: prop_hypothesis_test(x, n, null hypothesis value, alternative hypothesis value) prop_1samp_hypothesistest(x, n, null hypothesis value, alternative hypothesis value) means_1samp_ttest(mean, std_dev, n, null hypothesis value, alternative hypothesis value) proportions_ztest(counts, nobs, value) - proportions_ztest(counts, nobs, value) Which of the following alternative hypotheses make a hypothesis test one-tailed? Select all that apply. Question options: Parameter is less than a valueParameter is greater than a value Parameter is not equal to a value - Parameter is less than a value Parameter is greater than a value Consider the following import statement in Python, where the statsmodels module is called in order to use the ztest method. What are the inputs to ztest method? Select one. from tstats import ztest Question options: A dataframe column (an array) of data values, hypothesized value of the population mean. zscore for the level of significance (zscore), hypothesized value of the population mean. count of observations that meet a condition (count), total number of observations (nobs) None of the above - A dataframe column (an array) o