- AMean 0, SD 6
- BMean 5, SD 1
- CMean 1, SD 0
- DMean 0, SD 1
Step-by-Step Solution
Subtracting 30 moves the mean to 0 and leaves the SD at 6; dividing by 6 makes the SD 1 (and keeps the mean 0). This is the standard score.
Answer: D) Mean 0, SD 1
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