One sample has a variance of s2 = 10 and a second sample has a variance of s2 = 6.If the two samples have the same number of scores, what is the pooled variance for the two samples?
A) ?4
B) ?8
C) ?14
D) ?16
B
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The standard deviation of a sampling distribution is known as
a. the standard error. b. the variance. c. error. d. the sampling deviation.
A psychologist shows participants films designed to make them either happy or sad. She measures the participants' brain activity levels with an electroencephalograph (EEG) during the films. This psychologist is probably conducting research on
A. cerebral asymmetry. B. brain damage. C. temperament. D. classical conditioning.
Which of the following long-distance airline passengers will have the LEAST difficulty adapting to the changes in time and light at their destination?
A. Miguel, who slept through most of the flight B. Sarah, who drank lots of water during the flight C. Armin, who watched movies the entire flight D. Rosa, who mingled and talked throughout the flight
When little Jolanta hits Inga so she can take away Inga's toy, Jolanta is demonstrating what kind of aggression?
A) Physical B) Verbal C) Relational D) Reactive