The calculation of Pearson r is most justified when the points on a scatterplot:
A. contain a few points that do not fit the overall pattern.
B. approximate a triangular shape.
C. cluster around a diagonal line.
D. fall into two distinct groups.
Answer: C
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The committee would like a portable device that a teacher could use to save documents they are working on and take them back and forth from home to school. Which device will you recommend?
a. DVD-ROM c. USB flash drive b. CD-ROM d. external hard drive
What is a common misconception about public policy and teachers' professional growth according to Sharon Lynn Kagan?
a. That government is concerned about teachers' professional growth. b. That professional development funding is increasing. c. That real leadership is simple and effortless. d. That policy-makers have a true understanding of teachers' professional needs.
Select the best reason below for why a purpose statement is important
a. It justifies the problem for the reader. b. It informs the reader of the central ideas addressed in your study. c. It provides the reader with the question you are attempting to answer. d. It informs the reader of your predictions about relationships among attributes.
The nursery rhyme "Goosey, Goosey Gander" was used in the textbook as an example of __________
a. an appropriate selection for young children b. a jump rope rhyme c. alliteration in poetry d. violence in traditional literature