1. Find the first quartile (Q1) and the third quartile (Q3), given the scores of 10 students in their
Mathematics activity using Linear Interpolation. (3 points each step, we have 6 Steps in Using
Linear Interpolation Method)
1 27 16 7 31 7 30 3 21 with solutions
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Answer:
RULE EXAMPLES
1. Change the minus sign to a plus.
2. Find the opposite of the 2nd number.
3. Add; using your rules for adding integers.
5 – 8
= 5 + – 8
= –3
– 9 – (–12)
= –9 + 12
= 3
Find each difference.
1. 4 – 7 2. –5 – 3 3. –8 – 2
= 4 + –7 = –5 + –3 = –8 + –2
–3 –8 –10
4. –3 – 24 5. 10 – 17 6. 13 – 9
= –3 + –24 = 10 + –17 = 13 + (–9)
–27 –7 4
7. –41 – 37 8. 62 – (–29) 9. –6 – (–6)
= –41 + ( –37) = 62 + +29 = –6 + +6
–41 62 0
–37 29
–78 91
Step-by-step explanation:
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Answer:
1, 3, 7, 7, 16, 21, 27, 30, 31-ascending order
For Q1:
Q1=1\4(n+1)
Q1=1\4(9+1)
Q1=1\4(10)
Q1=2.5
interpolate:
Q1=7-3=4
Q1=4(0.5)=2
Q1=3+2=5
For Q3:
Q3=3\4(n+1)
Q3=3\4(9+1)
Q3=3\4(10)
Q3=7.5
interpolate:
Q3=30-27=3
Q3=3(0.5)=1.5
Q3=27+1.5=28.5
Step-by-step explanation:
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