Dr. Winstell is interested in studying prejudice, and devises a study in which Caucasian participants are led to believe that they are chatting electronically with an African-American participant. In reality, the participants are responding to another Caucasian participant, and she discloses this information to all participants at the end of the study. Dr. Winstell has used ________ in her study.

Before the 2008 election, Zoe was not so sure who the winner would be. But after President Barack Obama won, Zoe exclaimed, “Of course he won, he had the popular vote in many states, and many Americans are inspired by him.” Here, Zoe is exhibiting

Complete the analogy: hindsight bias: _________ as hypothesis: _________.

The hindsight bias is most like which of the following statements?

The shape of the distribution is . 

Find the critical value for an level of confidence.  Round to two decimal places. 

Does a linear relation exist between the variables?  How do you know? 

What is the correlation coefficient?  Round to three decimal places. 

A random sample of FIFA soccer players was taken.  The histogram shows the heights of the selected players.  Which statement best interprets the histogram?

Predict the blood pressure of a patient whose body mass index is 24.  Round to the nearest whole number.