Grant actually owned one slave himself as well: Grant himself owned a slave named William Jones, acquired from his father-in-law. At a time when he could have desperately used the money from the sale of Jones, Grant signed a document that gave him his freedom. Grant freed this slave in 1859.
Volunteers dedicated more than 100 hours, on average, to sports and recreation (120 hours), religion (117 hours) and social services (116 hours). But they gave only about half as many hours to education and research associations (66 hours) and to health-related organizations (58 hours) (Chart 3).
I am having a problem calculating the average of total hours for the month. This needs to be done by person and by pay date. Sample data: Person1 PayDate1 HrsWrk1 18.50. Person1 PayDate2 HrsWrk1 17.50. Person1 PayDate3 HrsWrk1 14.25. Avg = 16.75.