Listening Quiz: Cách Xử Lý Giá Trị Ngoại Lai trong Dữ Liệu – Easy Level

Explanation: The speakers discuss what to do with outliers, including checking for errors, keeping real unusual values, using special methods, and reporting how they were treated.

Explanation: Sophia says, ‘First, check if they are errors.’

Explanation: Sophia says that if they are real but unusual values, Robert can keep them but explain why.

Explanation: Sophia says, ‘Yes, you can use median or robust statistics,’ which shows she is suggesting special methods to handle outliers.

Explanation: Sophia says outliers can affect results a lot, advises checking for errors, keeping real values with explanation, and always reporting how they are treated. This implies careful handling and reporting are important.