This bestselling textbook is designed to help students understand parametric and nonparametric statistical methods so that they can tackle research problems successfully. By working through this book carefully and systematically, those who may not have a strong background in mathematics will gain a thorough grasp of the most widely used statistical methods in the social sciences.
One group—one observation per subject on each of two or more variables
13.1 Using the PEARSON PRODUCT MOMENT CORRELATION COEFFICIENT
A sample of 10 patients with anorexia nervosa is drawn at random and their anxiety and depression scores are obtained using the Crown-Crisp Experimental Index (CCEI) with the results shown in Table 47.
We wish to find out whether there is a relationship between anxiety and ...