If I continue to draw observations from a population and recalculate the mean each time I add an observation, the mean will approach _______ as the sample size increases
a. its expected value
b. the true population mean
c. the median of the population if the population is symmetric
d. all of the above
D
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Research to identify the types of people who use social media have revealed that
a) introverts are more likely than extroverts to become involved in online social networks. b) social media users are more conscientious than non-users. c) characteristics such as neuroticism, loneliness, shyness, and narcissism are reflected in the preferences for specific features. d) Facebook users usually do not present accurate reflections of their personalities in their profiles.
B. F. Skinner argued that all behavior could be understood in terms of
a. an organism's internal mental states. b. genetic predetermination. c. simple forms of learning from environmental stimuli. d. an interaction between motivation and personality.