All of the following statements are true about t tests EXCEPT
A) they involve hypothesis-testing procedures.
B) they are used when the population variance is unknown.
C) they are used when the population variance is known.
D) they compare t scores from a sample to a comparison distribution called a t distribution.
Answer: C
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What will be an ideal response?
Some scholars argue that United States and Canada are technically still colonized lands because
a. the Native American peoples declared independence. b. they have advanced so quickly. c. of their wealth and overall prosperity. d. it was the colonists and their descendents who declared independence.
Which of the following refers to the people and institutions that have a stake in an increase in the value of urban land and constitute a power elite in most cities?
A. the glitterati B. the bourgeoisie C. the upper echelon D. the urban growth machine
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What will be an ideal response?