Which of the following is not true of a normal curve?
a. It is skewed.
b. It is a probability distribution.
c. Its total area contains 100% of the cases.
d. The mode, median, and mean are identical.
Ans: a. It is skewed.
You might also like to view...
Some rivers and lakes are now so polluted that they cannot support fish and other organisms that require relatively clean, oxygen-rich water
Indicate whether the statement is true or false
Which of the following statements best describes the U.S. rural and urban classification system?
a. it provides a clear and undisputed picture of what is rural and what is urban b. most people agree with the definitions of urban and rural provided by the system c. the system has limited utility because it is based on population size and not behavioral attributes d. the system shows that rural and urban areas are shrinking in size as suburban areas expand
Researchers have found that past a certain age, an individual's resting metabolism decreases. Because of this knowledge, Sandy decides to design a study using different age groups in her experiment to investigate the effect of age on weight gain. In this case, age is a:
a. quasi-independent variable. b. dependent variable. c. moderating variable. d. control variable.
The statement "Each member of this class will be able to describe the difference between personal and group goals" is an example of a(n)
A. operational goal. B. nonoperational goal. C. hidden agenda. D. competitive task.