it might be suspected that the magnitude if personal financial loss due to covid-19 might differ in based on whether the person is in the service industry or not, specifically that financial loss may be higher on average for those in the service industry compared to those who are not.

to test this, a survey is conducted consisting of a sample of workers not in the service industry and a sample of workers in the service industry. the persona financial loss is recorded for each subject. the average financial loss will be calculated for each subject.

1- Is this an experimental or observational study? assuming inference is meaningful, what is the most appropriate statistical test for this study?, write the hypothesis using appropriate parameter symbols

assume that the study had randomly sampled 40 workers in the service industry and 46 workers not in the service industry and found that on average the workers in the service industry had lost 890$ more than workers not in the service industry, the p-value was 0.0012

2- can make a conclusion on the information above? Explain why, and write this conclusion within the context of the study and the significance level of 0.05