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#37679

linear

data analysis

hard

90 sec

The scatterplot shows the relationship between the number of hours studied, $x$ , and a student's test score, $y$ . A line of best fit is also shown, which can be modeled by the equation $y = 7 x + 55$ . According to this line of best fit, what is the predicted test score for a student who studies 5.5 hours?

• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-).
• Fractions must be in lowest terms.
• Mixed numbers must be converted to improper fractions.