- A143.5
- B28.7
- C2.87
- D52.87
Step-by-Step Solution
Each value is the old value plus 50. Shifting every value by the same amount moves the mean but leaves every deviation, and hence the SD, unchanged: 2.87.
Answer: C) 2.87
The standard deviation of 1, 2, 3, …, 10 is about 2.87. Without recalculating, give the standard deviation of 51, 52, 53, …, 60.
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