Mathematics, 12.02.2020 02:13 sunshine52577oyeor9
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.
Answers: 2
Mathematics, 21.06.2019 18:00
Carmen begins her next painting on a rectangular canvas that is 82.7 cm long and has a area of 8,137.68 cm2. will the painting fit in a frame with an opening that is 82.7 cm long and 95 cm wide? explain
Answers: 3
Mathematics, 21.06.2019 18:30
Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.
Answers: 3
Mathematics, 21.06.2019 23:00
How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)
Answers: 2
Some students in a school were surveyed to determine how many hours they study per night and their g...
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