Height(cm) 160 161 162 163 164 165
No. of players 4 6 3 7 8 9
the table shows the height of 37 players of a basketball team calculates correct to one decimal place the mean height of the players.
  • A 163.0
  • B 162.0
  • C 160.0
  • D 165.0
waec 2021mathematics

The correct answer is A. 163.0

∑fx = (160 * 4) + (161 * 6) + (162 * 3) + (163 * 7) + (164 * 8) + (165 * 9)  

=640 + 966 + 486 + 1,141 + 1,312 + 1,485

= 6,030

∑f = 4 + 6 + 3 + 7 + 8 + 9

= 37

= \(\frac{∑fx}{∑f}\)

= \(\frac{6030}{37}\)

= 162.97 or 163

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