Some students in a school were surveyed to determine how many hours they study per night and their grade-point averages. The results are shown in the table.

Hours Studying per Night vs. Grade-Point Average
Hours studying per night, x
Grade-point average, y
0.4
2.0
0.9
2.4
1.5
2.6
2.2
3.1
2.6
3.5
3.3
3.8

If the data are entered into a regression calculator, what is the approximate y-intercept of the resulting regression line?

A calculator screen. A 2-column table with 6 rows titled Data. Column 1 is labeled x with entries 0.4, 0.9, 1.5, 2.2, 2.6, 3.3. Column 2 is labeled y with entries 2, 2.4, 2.6, 3.1, 3.5, 3.8. The linear regression equation is y almost-equals 0.628 x + 1.759; r almost-equals 0.994.