What is an advantage of calculating the interquartile range instead of the range?
a. The mean is used in the calculation of the interquartile range.
b. The interquartile range is less affected by outliers than the range.
c. The interquartile range is based on all of the scores in the set of data.
d. The interquartile range removes the highest 25% of the distribution.
b. The interquartile range is less affected by outliers than the range.
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Indicate whether the statement is true or false
About half of the class (group A) knows more about the Democratic party while the other half (group B) knows more about the Republicans. The teacher presents a weeklong lesson on both parties. Which of the following is likely, based on schema theory?
a) Group A will learn more about the Democrats than will group B. b) Group B will have a better attitude than group A about the parts dealing with the Republicans. c) Group B will learn more about the Democrats than will group A. d) Both groups should learn the same amount about both parties.
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Indicate whether the statement is true(T) or false(F).
A middle school science class constructed terrariums, and students are writing reports on their observations of their terrariums. Which of these scenarios uses timing most effectively?
a. Students get feedback on final, graded reports. b. Students get feedback on a first draft of their final reports. c. Students get feedback on their observational notes.