A researcher is investigating the relationship between personality and birth order position. A sample of college students is classified into four birth order categories (1st, 2nd, 3rd, 4thor later) and given a personality test that measures the degree of extroversion on a 50-point scale. Identify the statistical procedure that is appropriate for analyzing this data. Explain your answer. Solution use regression analysis to find the equation relating the degree of extroversion to the order of birth..