Variance (s2) may be defined as ______.
a. the most common or frequently occurring score in a distribution
b. the average squared deviation of a score from the mean
c. the mathematical average
d. the score that splits a distribution into two equal halves
b. the average squared deviation of a score from the mean
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Division is used to solve two types of problems, ____________________ and ____________________
Fill in the blank(s) with the appropriate word(s).
A school using enrollment and attendance data to inform teaching and learning is using which type of data?
a. School process b. Perception c. Demographic d. Evidence of student learning
Phonological knowledge is the knowledge of
A) the sound-symbol system of a language. B) the system of rules or grammar for using a language. C) how language is used differently in different settings. D) meaningful word parts.
Language development activities for infants should
A) focus on developing expressive language. B) focus on establishing communication loops. C) focus on developing morphemic knowledge. D) be a standard series of speech exercises.