Ann conducts a study, and finds that the estimated population variances for the groups are 12.8, 16.3, 15.1, and 19.9. What is the within-groups estimate of the population variance?
A) (12.82 + 16.32 + 15.12 + 19.92) / (4 – 1) = 351.18.
B) (12.82 + 16.32 + 15.12 + 19.92) / 4 = 263.39.
C) (12.8 + 16.3 + 15.1 + 19.9) / (4 – 1) = 21.37.
D) (12.8 + 16.3 + 15.1 + 19.9) / 4 = 16.03.
D
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Fill in the blank(s) with correct word
Valerie is teaching Parker how to play the guitar. Valerie instructs Parker to sit across from her and watch her finger movements as she plays a song. She has found this method more effective than attempting to verbally explain the complicated series of finger movements. Valerie's teaching strategy indicates that her memory of how to play the guitar is stored as a(n) ____ memory.?
a. ?episodic b. ?semantic c. ?procedural d. ?sensory
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a. infancy b. early childhood c. middle childhood d. adolescence
Someone who displays nepotism
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