Measures of variability, such as the variance and standard deviation, are heavily influenced by the presence of one or more
A) average scores.
B) computational formulas.
C) variables.
D) outliers.
Answer: D
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The written and spoken language in the schools is expected to be ________
a. lower class b. middle class c. upper class d. reflective of local dialects
When population starts to decline we call this:
a. doubling time b. the birth dearth c. the crude death rate d. the rate of natural decrease
Compared with teachers in top-performing countries, a higher number of U.S. teachers do not have a bachelor's degree or higher in the subjects they teach.
Answer the following statement true (T) or false (F)
Modern marriages and families have:
a. undergone dramatic changes and are still evolving. b. stopped changing and have remained constant over the past few years. c. experienced dramatic change and continue to change at a rapid rate. d. have remained unchanged over time.