Post-UTME Mathematics 2013 Objective — Question 80
Question 80 of 100 from the Post-UTME Screening (Post-UTME) Mathematics 2013 Objective paper, with the correct answer and a full explanation.
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Use the frequency table (X: 0,1,2,3; Frequency: 20,18,7,5) to calculate the mean of x.
- A. 1.5
- B. 0.47
- C. 0.94Correct
- D. 1
Explanation
Mean=(0×20+1×18+2×7+3×5)/50 = 47/50 = 0.94.
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