Which could be the missing data item for the given set of data if the median of the complete data set is 15?

11, 23, 12, 18, 11, 10, 19, 15, 19, 21, 13, 17, 24, 14

A. 16
B. 18
C. 20
D. 11

Respuesta :

The missing data item for the given set of data if the median of the complete data set is 15 is 11; option F

Median

  • Median = 15
  • Mission data = n

Data set: 11, 23, 12, 18, 11, 10, 19, 15, 19, 21, 13, 17, 24, 14

Median = Sum of data + n / number of data

15 = (11+23+12+18+11+10+19+15+19+21+13+17+24+14) + n / 15

15 = 214 + n / 15

15 × 15 = 214 + n

225 = 214 + n

n = 225 - 214

n = 11

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