Answer: test had less than perfect reliability
Explanation: The test score used by the college to predict how a student will perform could be said to have less than perfect reliability. This proved to be the case due to the students actual performance when later admitted based on intervention. It shows that the test score can not consistently serve as proof that only students who have above the cut off mark will be good performers in the college. Therefore, it could be concluded that the test score had less than perfect reliability based on the the eventual performance of the student.
Answer: South Korea and North Korea took dramatically different paths following the end of their war in 1953. When it comes to their economies and living standards, they could hardly be more different. The two Koreas are separated by the demilitarized zone, a four-kilometer wide strip running along the 38th parallel which splits the Korean peninsula roughly in half. To the south of the DMZ, South Korea operates one of the world's most advanced economies, while to the north its neighbor is a military dictatorship that keeps a tight fist on the economy. The North continues to face challenges in food and nutrition among other difficulties.
Explanation:
Answer: Cluster analysis
Explanation:
Cluster analysis is the grouping process in which the elements persisting more similarities in nature , characteristics or appearance are gathered as compared to any other group. This type of group is known as cluster.
According to the question, Samuel is using the method of cluster analysis for his research to analyze the behavior of customers. He is making the cluster of women according to the age and their preferences about the purchase of washing machine.
Answer:
all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.