4(1/3)-1(1/2)=?

Strategies such as sitting close to the front of the room, getting to class on time, establishing eye contact, and watching a speakers’ gestures are all examples of strategies that can help students’ improve what type of skill?

a. writing b. reading c. note-taking d. listening

William took a personality test and received an Introversion score of 78. This Introversion score is a categorical variable.

a. True b. False

One of the characteristics of a normal distribution is that it ______.

a. is based on data collected by researchers b. consists of a small number of scores c. is based on mathematical formulas d. is a figment of our imagination

Refer to Exhibit 7-6. What is the null hypothesis?

a. m_{Group 1} ³ (m_{Group 2} + m_{Group 3} + m_{Group 4}) /3 c. m_{Group 1} =m_{Group 2 =} m_{Group 3} = m_{Group 4} b. m_{Group 1} £ (m_{Group 2} + m_{Group 3} + m_{Group 4}) /3 d. None of these are true.