CASE 3

1. The age is 11 months (11.23 to be exact, but that rounds to 11)
2. Median weight is 9.2 kgs (from chart)
3. Deviation from the median: 9.8 - 9.2 = +0.6 Is positive since it is greater than the median.
4. One standard deviation is 10.3 - 9.2:  = 1.1
5. Z-score = 0.6/1.1 = 0.545

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