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
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If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year
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Mathematics, 21.06.2019 19:30
Factor the following expression. 27y3 β 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y β 7)(9y2 + 2ly + 49) c. (3y β 7)(932 β 217 + 49) d. (3y + 7)(92 β 2ly + 49)
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Mathematics, 21.06.2019 20:00
Will possibly give brainliest and a high rating. choose the linear inequality that describes the graph. the gray area represents the shaded region. 4x + y > 4 4x β y β₯ 4 4x + y < 4 4x + y β₯ 4
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Mathematics, 21.06.2019 20:00
Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?
Answers: 3
Some students in a school were surveyed to determine how many hours they study per night and their g...
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