worksheet question id w 3012 the mean of the values 9 11 13 21 24 18 a
Question
Worksheet Question ID: W-3012 The mean of the values 9,11,13,21,24,18 and d is 17. Find d. Marking Scheme (out of 3) [1:3] 1 mark for providing the equation 1 mark for
the work behind rearranging and isolating 1 mark for solving for d