In 2006, the median SAT score was the average of d 732 , 872 and d 732 , 873 , where { d 1 , d 2 , ⋅ ⋅ ⋅ , d N } denotes the data set of all SAT scores ordered from lowest to highest. Determine the number of students N who took the SAT in 2006.
In 2006, the median SAT score was the average of d 732 , 872 and d 732 , 873 , where { d 1 , d 2 , ⋅ ⋅ ⋅ , d N } denotes the data set of all SAT scores ordered from lowest to highest. Determine the number of students N who took the SAT in 2006.
Solution Summary: The author calculates that the number of students who took the SAT in 2006 is 1465744. The median is the 50th percentile of the data set.
In 2006, the median SAT score was the average of
d
732
,
872
and
d
732
,
873
, where
{
d
1
,
d
2
,
⋅
⋅
⋅
,
d
N
}
denotes the data set of all SAT scores ordered from lowest to highest. Determine the number of students
N
who took the SAT in 2006.
12. [-/1 Points]
DETAILS
MY NOTES
SESSCALCET2 6.3.508.XP.
ASK YOUR TEA
Make a substitution to express the integrand as a rational function and then evaluate the integral. (Remember to use absolute values where appropriate. Use C for the constant of integration.)
x + 16
dx
X
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13. [-/1 Points]
DETAILS
MY NOTES
SESSCALCET2 6.3.512.XP.
ASK YOUR TEA
Make a substitution to express the integrand as a rational function and then evaluate the integral. (Remember to use absolute values where appropriate. Use C for the constant of integration.)
dx
8)(2x + 1)
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14. [-/1 Points]
DETAILS
MY NOTES
SESSCALCET2 6.3.518.XP.
Find the area of the region under the given curve from 1 to 5.
y =
x² +7
6x - x²
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Lakshmi planted 20 begonias, but her neighbor’s dog ate 7 of them. What percent of the begonias did the dog eat?
DETAILS
MY NOTES
SESSCALCET2 6.3.012.
6. [-/1 Points]
Evaluate the integral.
x-4
dx
x²
- 5x + 6
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7. [-/1 Points]
DETAILS
MY NOTES
SESSCALCET2 6.3.019.
Evaluate the integral. (Remember to use absolute values where appropriate. Use C for the constant of integration.)
x²+1
(x-6)(x-5)²
dx
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8. [-/1 Points] DETAILS
MY NOTES
SESSCALCET2 6.3.021.
Evaluate the integral. (Remember to use absolute values where appropriate. Use C for the constant of integration.)
✓
x²
4
+4
dx
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