For the next questions you'll be exploring the relationship between marital status and minutes of total physical activity per week. Ignore those who refused to answer, weren't asked, or had missing data. You'll need to convert the marital status variable to a factor. Then: - Q4: Remove outliers from minutes of total physical activity per week using 0.997 and 0.003 as criteria. What percentage of observations remain? Assign that value to Q4