If we wished to use statistics to explore the possibility that early language acquisition is related to high Apgar scores at birth, we would most likely consult which descriptive statistic?
A) Mean
B) Variance
C) A correlation of the two variables
D) A correlated t-test
Answer: C
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When the president develops a federal budget, he is acting as
a. an agenda setter. b. a crisis manager. c. an economic leader. d. a policy leader.
Research on how to conduct studies on the internet has revealed that the lowest rate of return occurs when the investigator contacts potential respondents through which of the following?
a. Hyperlinks on websites. b. Sending information to newsgroups. c. Individual email messages. d. Announcements of the surveys in major magazines.
What was the primary purpose of the changes made to ethics laws in 2003?
A. to prohibit members of the legislature from becoming lobbyists after leaving office B. to create greater transparency in donations made to legislators and in their personal finances C. to prohibit officeholders from owning private businesses D. to require legislators to keep records available to the public of all letters written to them and a list of all visitors to their offices
The lowest level of measurement is represented by the ________ scale
A) interval B) ordinal C) ratio D) nominal