When measuring central tendency, which of the following choices is known to be biased depending on the data set?

What kind of statistical test would be used to determine if there is a linear relationship between two variables?

Researchers discover a .62 correlation between self-esteem and academic achievement in a group of high school students. This would be described as a __________ in strength relationship.

The _________ measures the average distance of a score from the mean in a distribution. This number increases as the spread of scores increases.

Which of these represents the strongest correlation coefficient?

Which of the following correlation coefficients indicates the strongest relationship?

The following are the ages of 12 children sitting in a row at an elementary school assembly:

For the data set, what are the mean, median, and mode, respectively?

A group of psychologists reject their null hypothesis, but it turns out that their null hypothesis is true. What kind of error have they committed?

Which of the following is true about statistical significance?

A psychology statistics professor wants to display data from previous test scores. There are 100 students in her class. On the last test 5 students received perfect scores; however, the rest of the students averaged a score of a 66. Which of the following central tendency measures would be the best to describe the class’s performance on the exam?