Which of the following is an example of a rank-order variable?

A researcher was interested in the relationship between the number of hours spent looking at cat memes on the internet and depression. She sampled 100 people and conducted a bivariate correlation on their responses. Her results indicated that people who spent more time looking at cat memes online had lower levels of depression. In other words, the researcher found a(n) _____ correlation.

Mike was curious as to whether or not people share his opinions about smoking on college compuses.  He designed a survey on the issue and gave it out to his friends and family. When he interpreted his results he was pleased to see that everyone’s opinions matched his own. Mike’s interpretation of his findings best illustrates

Making a scatter diagram before figuring the correlation coefficient is a good idea because

Dr. Statistics wants to know what study methods her students find most useful in preparing for her exams so she conducts interviews with 50 of her 100 students.  In this example the  population is

Which of the following is an example of a rank-order variable?

Mike was curious as to whether or not people share his opinions about smoking on college compuses.  He designed a survey on the issue and gave it out to his friends and family. When he interpreted his results he was pleased to see that everyone’s opinions matched his own. Mike’s interpretation of his findings best illustrates

Which of the following represents a positive correlation?

Examine the two compounds below and then answer the four questions that follow. Please label your answers “a”, “b”, “c”, and “d” to match the four questions. a.  What do these two compounds have in common? b.  How are these two compounds different? c.  Given your answers to the questions above, what is the term used to describe these two compounds? d.  The compound on the right contains a functional group that is not found in the compound on the left. Give one property that a compound could gain as a result of having a particular functional group.    

A graph that shows the pattern of the relation of two variables is a