Your boss comes to you with a very large dataset that contains stock market information on every country around the world. She requests that you use the dataset to analyze only the US market. What is the best step yYour boss comes to you with a very large dataset that contains stock market information on every country around the world. She requests that you use the dataset to analyze only the US market. What is the best step you can take in the data source tab to limit the appropriate data for your analysis?ou can take in the data source tab to limit the appropriate data for your analysis?