Are people happier when they are single or when they are in a romantic relationship? Emotion literature suggests that human beings have a need for social contact so relationship status should have an influence on our happiness. To test this idea about relationships and happiness, people in relationships and not in relationships write a story about their current life for 7 minutes and researchers count the number of positive words used the writing samples. Use the data below to determine if there is a difference in happiness for people in or not in relationships. Test at a = .05 Relation. No Relation. 6 6 8 5 6 7 7 4 8 5 Complete the most appropriate test statistic and type the calculated values here. This should include at least a critical value, a measure of variability (standard error, estimated standard error, etc., and the calculated test statistics - z or t). Calculate and interpret percentage of variance for this scenario