Using the data set regarding the stress levels of domestic workers with green cards, Cali has calculated the standard deviation of their housing expenses in two ways, with and without the workers who have zero housing expense. When Cali includes all workers, the standard deviation is

Question

Quizplus · Accepted Answer

Including all workers, especially those with zero housing expense, increases the variability in the dataset. This is because the presence of zero values, which are likely to be significantly lower than the rest of the data, will increase the overall spread of the data, leading to a larger standard deviation.

Using the Data Set Regarding the Stress Levels of Domestic