Which of the following is a fundamental difference between the t statistic and a z-score?
A) ?The t statistic uses the sample mean in place of the population mean.
B) ?The t statistic uses the sample variance in place of the population variance.
C) ?The t statistic computes the standard error by dividing the standard deviation by n - 1 instead of dividing by n.
D) ?The t statistic is used for large samples only.
B
You might also like to view...
Jerry is interested in discovering how people process, store, and use information. His interests reflect which psychological perspective?
a. biological c. cognitive b. humanistic d. evolutionary
In behavioral genetic research, _______________ includes personal experiences, such as winning the lead in the school play
a. the individualist culture b. the nonshared environment c. the shared environment d. the collectivist culture
According to Rogers, people brought up with unconditional positive regard __________
a) tend to be vain and narcissistic. b) are unlikely to be fully functioning. c) feel valued regardless of their attitudes and behaviors. d) live lives directed toward what others want and value.
The field of ________ would be interested in the effects of psychological factors such as stress, emotions, thinking, and behavior on the immune system
a. social psychology b. organic medicine c. psycho-neuroimmunology d. interactive psychology e. preventative medicine