Mathematics, 20.07.2019 09:30 123iamthe1

The school’s guidance department compares the grade-point averages and standardized state test scores for 10 students in each grade. the table below shows the correlation coefficient for each data set. grade level correlation coefficient 9th grade 0.3 10th grade –0.1 11th grade 0.2 12th grade –0.8 for which data set(s) is a linear regression model reasonable? 9th grade and 11th grade data sets 10th grade data set 10th grade and 12th grade data sets 12th grade data set

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