In a study of school districts in the United States, researchers found that the amount of money that the districts spent on their schools had an extremely high positive correlation with the amount of money they spent on consumable alcohol (such as wine or liquor). This must mean that
A) drinking heavily makes people want to spend more on education.
B) spending heavily on education makes people need to drink more.
C) spending on education and consumable alcohol seem to be related in some way.
D) there are serious errors in the data collection method used by these researchers.
Question 2
Professor Nikodemos has found a high positive correlation between the number of his psychology lectures that students attend during the semester and their grades in psychology. This means that attending more of Nikodemos's classes
A) causes better grades in psychology.
B) causes worse grades in psychology.
C) is predictive of better grades in psychology.
D) is predictive of worse grades in psychology.
An example of anatomical homology: homologous structures found in vertebrates.
Magnetosomes found in the spirillum Magnetospirillum magnetotacticum.
Diversity in the United States
The United States, 1819
Leading Sites of New Cases of Cancer in the United States, 2013
High school science classes are required to use deductive logic