Question 7 of 25 • (AG Q4) Math 8: 25-26 (JTurner)
Kiara made the table below to show the IQ scores and grade point averages (GPAs) of students in her class. She made another table to show the standardized test scores and IQ scores.IQ, GPA, and SAT ScoresIQGPA IQStandardized Test Score1203.7 1201540852.3 858001103.0 1101,200962.7 9610001002.9 1001100She graphs the data in each table and writes the rounded values as shown for the regression line .Next, Kiara uses the steps below to predict a student’s standardized test score based on the student’s GPA of 4.0.Step 1Write the equation of the trend line for IQ and GPA.Step 2Write the equation of the trend line for IQ and standardized test score.Step 3Find the IQ that is expected from a GPA of 4.0.The IQ is about 122.5.Step 4Find the corresponding standardized test score for an IQ of 122.5.The standardized test score is 523.In which step did Kiara make the first error?