Achievement Tests Mathematicsachievement test scores for 400 students were found tohave
Chapter 2, Problem 63(choose chapter or problem)
Achievement Tests Mathematicsachievement test scores for 400 students were found tohave a mean and a variance equal to 600 and 4900,respectively. If the distribution of test scores wasmound-shaped, approximately how many of the scoreswould fall into the interval 530 to 670? Approximatelyhow many scores would be expected to fall into theinterval 460 to 740?
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