The Following Graphic Is Adapted from One in Wainer (1984)

question 48

Multiple Choice

The following graphic is adapted from one in Wainer (1984) , plotting the number of private and public elementary schools (in thousands) in the U.S. between 1930 and 1970. Wainer was presenting it as a bad example, and I have made it worse. What is bad about this example?

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• A) The three dimensional effect only makes the graph harder to read.
• B) Any change in the number of private schools is difficult to see.
• C) The time intervals on the abscissa are too broad.
• D) a and b but not c

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