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#40696

data analysis

linear

medium

15 sec

The scatterplot shows the relationship between the number of hours a student spent studying for a test, $x$ , and their score on the test, $y$ .

A linear model $y = - 0.9 x + 9.4$ is determined to be the most appropriate fit for the data. According to this model, what is the predicted test score for a student who studied for 8 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.