For a positive linear correlation that is not perfect, the average of the cross-products of Z scores is between:
A) ?1 and 0
B) 0 and .5
C) ?.5 and .5
D) 0 and 1
Ans: D) 0 and 1
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Postmodernism sees mass consumerism and telecommunications destroying borders and the special worlds of traditional societies
Indicate whether the statement is true or false
Which of the following can be treated as an interval-ratio variable?
a. social security number b. zip code c. age d. hair color
The most important reason why cities did not develop before 3,500 BC was that
a. plant cultivation was not sufficiently advanced to create a food surplus. b. wall-building technology was not yet capable of repelling invaders. c. buildings erected on riverbanks prior to that time sank into the soil. d. sanitation technology was not sufficiently advanced to keep densely packed urban dwellers from spreading plague to each other. e. urban technology was impossible prior to the invention of the steam engine.
Even just the thought of the violation of a_____ fills us with revulsion
a. taboo b. more c. parking regulation d. folkway