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Home Q & A Board Science-Related Homework Help Psychology Developmental Psychology
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memoloka memoloka
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6 years ago
The mean is the
 
  A. 45th percentile
  B. most commonly occurring score
  C. arithmetic average
  D. variability of scores

Question 2

Sixty-eight percent of the population in a normal distribution falls between
 
  A. +1 SD (standard deviation) and -1 SD
  B. +2 SD and -2 SD
  C. +3 SD and -3 SD
  D. +4 SD and -4 SD

Question 3

Measures of variability describe the
 
  A. spread of scores in a distribution
  B. central tendency of a distribution of scores
  C. reliability of an assessment instrument
  D. validity of an assessment instrument
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crg0202crg0202
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6 years ago
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memoloka Author
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#2
6 years ago
Thank you for being my superhero!
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