Which of the following statements is true about t distributions?
A) There are exactly 10 categories of t distributions.
B) For any given sample size, there are between two and N – 1 appropriate t distributions.
C) The larger the sample size, the more a t distribution resembles a normal curve.
D) t distributions are generally bimodal.
C
Psychology
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A) provide less direct care. B) are often lower in quality. C) are less homelike. D) are less cost-effective.
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The more common source of cognitive disabilities is
a. chromosomal errors. b. the absence of an extra chromosome. c. single-gene disorders. d. exposure to radiation.
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