A normal distribution has a mean of µ = 80 with ? = 20. What score separates the highest 40% of the distribution from the rest of the scores?
A) ?X = 75
B) ?X = 85
C) ?X = 54.4
D) ?X = 105.6
B
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Our committee group is divided on a decision. It may go along with the first member who changes his or her position. This is known as
a. the truth-wins scheme. c. the majority-wins rule. b. the first-shift rule. d. none of these.
According to Maslow, a self-actualized person is someone who is
A) concerned with developing friendships with others. B) creative and spontaneous. C) extroverted and outgoing. D) self-centered.
In a typical female's lifetime, she will produce about _____ fertilizable eggs
(a) 300,000,000 (b) 400 (c) 5 (d) there is no way of estimating the number of eggs produced
Identify a true statement about laboratory experiments.
A. They use a high degree of observational data resulting in redundancy of information. B. It is difficult to create an independent variable to study dependent variables in these experiments. C. Randomization is difficult in these experiments. D. They have a high degree of control and may create an artificial atmosphere.