The data below shows the number of batsmen having different batting averages.
|
Average |
Number of batsman |
|
40-44 |
12 |
|
44-48 |
10 |
|
48-52 |
8 |
|
52-56 |
6 |
|
56-60 |
4 |
What is the mean batting average per batsman?
Answer & explanation
Correct answer: option 1
⇒ Total number of batsman = 12 + 10 + 8 + 6 + 4 = 40
⇒ Mean = \(\frac{42×12 + 46×10 + 50×8 + 54 × 6 + 58×4 }{40 }\)
= \(\frac{504 + 460 + 400 + 324 + 232 }{40 }\)
= \(\frac{1920 }{40 }\)
= 48