Posted by math on Monday, April 30, 2012 at 1:54pm.
Mary's test grades were 77, 85, 77, 82, and 80. Mary's teacher recorded one of her grades incorrectly. Instead of an 85, Mary's second test score should have been a 58. Which measure(s) of central tendency is NOT affected by this change?

math  PsyDAG, Monday, April 30, 2012 at 2:13pm
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