efab to the dose not obom bris nsibem nsam sril AS 48 TT 80,08 186 7. The ages of 6 fourth year students are 16, 15, 14, 17, 18 and 16. If the mean of their ages together with the age of their teacher is 18, how old is their teacher? 8. The mean annual salary of 3 government employee is P80,000.00. Can one of the employees receive an annual salary of P250,000.00?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Answer number 7 and 8 only 

6. The mean grade of 10 students is 86. Accidentally, after computing the mean, the teacher erased the grade of 10th
student. What is the grade of this student if the grades of other 9 students are as follows: 78, 85,87,96,75,90,86,92,90.
What is the median?
bns nel
stab to tse dose not obom bris naibem nsam sill
48 TT 80,08 186
7. The ages of 6 fourth year students are 16, 15, 14, 17, 18 and 16. If the mean of their ages together with the age of
their teacher is 18, how old is their teacher?
to hategins247
S.OS
8. The mean annual salary of 3 government employee is P80,000.00. Can one of the employees receive an annual
salary of P250,000.00?
i bollshe
apsilon syd bevieten epbeng srit to
atstume >
Transcribed Image Text:6. The mean grade of 10 students is 86. Accidentally, after computing the mean, the teacher erased the grade of 10th student. What is the grade of this student if the grades of other 9 students are as follows: 78, 85,87,96,75,90,86,92,90. What is the median? bns nel stab to tse dose not obom bris naibem nsam sill 48 TT 80,08 186 7. The ages of 6 fourth year students are 16, 15, 14, 17, 18 and 16. If the mean of their ages together with the age of their teacher is 18, how old is their teacher? to hategins247 S.OS 8. The mean annual salary of 3 government employee is P80,000.00. Can one of the employees receive an annual salary of P250,000.00? i bollshe apsilon syd bevieten epbeng srit to atstume >
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