A team of researchers are tasked with investigating productivity levels among agricultural workers in South, Trinidad. After reviewing the literature, they have decided to investigate whether there is a significant relation between sleep and productivity among agricultural workers in South, Trinidad. A sample of ten (10) agricultural workers was randomly selected and a questionnaire was administered to collect data. Sleep was measured as the number of hours of sleep per day, and productivity was measured as the total number of hours worked per week. The data was displayed in the table below. Using the research scenario above, answer the following questions: