Suppose Tatiyana is interested in the relationship between language ability and time spent reading. She randomly selects a sample of 30 students from the local high school and collects their scores from a language aptitude test. She surveys the sample asking each student how many hours per month he or she spends reading.

Question

31 March, 14:00

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Serena Gibson · Answer 1

Given that, / hat{y} = 3.251x + 31.237.

Thus, when, reading hours, x = 35,

/hat{y} = (3.251 * 35) + 31.237 = 145.022. (Ans).