Sz = 0; Explain why the equation is true.
What will be an ideal response?
Correct Answer:
The sum of the deviations about any mean is zero. Because z-scores are deviation scores divided by the standard deviation (a constant), their sum must also be zero.
You might also like to view...
Which of the following is not true of Gunz’s notion of a career ‘climbing frame’?
A. Climbers choose their own movements B. Climbers always move upwards C. Climbing frames change over time D. Climbers change the structure of the frame E. All of the above are true
Primary and secondary reinforcers decrease the future rate of occurrence of the target behavior
Indicate whether the statement is true or false
Which statement about creativity is correct?
a. Some people do not possess the ability to be creative. b. Creativity is a category of convergent thinking. c. People are more likely to be creative if they are also flexible and curious. d. Intelligence and creativity use the same type of mental computation.
A program for school-age children
a. does not need too many books, because children already spend a lot of time in a formal school setting learning to read and write. b. should provide an extension of the formal reading lessons they have in elementary school. c. should provide many literacy activities and support that these are pleasurable. d. should make sure that children complete homework related to reading and writing to reinforce the importance of literacy.