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May 23, 2015

Homework Help: Statistics

Posted by Karl Lewis on Wednesday, February 6, 2013 at 9:22pm.

A study of reading ability in schoolchildren chose 60 fifth-grade children at random from a school. The researchers had children's scores on an IQ test and on a test of reading ability. An eccentric professor has his own idea of the relationship between IQ and reading scores. He believes that an IQ of 100 should produce a reading score 43, and that reading score should increase by 1.1 points for every additional point of IQ. What is the equation of the professor's line?

Reading score = _______+________ IQ
Where a is intercept and b is the slope (1.1)
How do I find the intercept

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