Complex sentence: On average, predominantly Catholic countries show very high uncertainty avoidance, relatively high power distance, moderate masculinity and relatively low individualism, whereas predominantly atheist countries tend to be collectivistic, with low uncertainty avoidance, moderate masculinity score and very high power distance.
Split into simpler sentences: On average, predominantly Catholic countries show very high uncertainty avoidance, relatively high power distance, moderate masculinity and relatively low individualism. Whereas predominantly atheist countries tend to be collectivistic, with low uncertainty avoidance, moderate masculinity score and very high power distance.