- AIt decreases by 9
- BIt stays 34
- CIt increases by 4.5
- DIt decreases by 4.5
Step-by-Step Solution
Before: 18, 25, 34, 41, 52, median 34. After: 18, 20, 25, 34, 41, 52, median . The change is , a decrease.
Answer: D) It decreases by 4.5
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