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For Questions , use the following narrative
Narrative: Study time and exam score
Suppose an algebra professor found that the correlation between study time (in hours) and exam score (out of 100) is +.80, and the regression line was found to be y = 20 + 4x.He arrived at this equation through years of collecting data on his students, most of whom reported studying anywhere from 0 to 20 hours for his exams.
-{Study time and exam score narrative} In order to get a 100 on this exam, how long should students expect to study (minimum)?
Accidents Reported
Accidents Reported refers to the recording of incidents that have led to injuries or damage, which are compiled for analysis, insurance, or regulatory purposes.
Goodness of Fit Test
A statistical test used to determine how well a statistical model fits a set of observations.
Normal Distribution
A bell-shaped distribution that is symmetric about the mean and characterized by its mean and standard deviation.
Categorical Data
Labels or names used to identify categories of like items.
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