The mean and the range of the set of numbers: 1.20, 1.00, 0.90, 1.40, 0.80, 0.80, 1.20 and 1.10 are p and q respectively. What is the value of p ÷ q?
A
1.11
B
65
C
1.85
D
2.45
E
3.85
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
Mean of 1.20, 1.00, 0.90, 1.40, 0.80, 0.80, 1.20 and 1.10
→ \(\frac{8.4}{8}\) = 1.05 → p
Range = 1.40 - 0.80 = 0.60 → q
p \div q = 1.05 \div 0.60
= 1.75
Source: WAEC / JAMB / NECO Classroom Archive (Record #42203)