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Values are coded as . For , the mean is −0.4 and the SD is 1.8. What are the mean and SD of ?

Competition practiceStatistics
  • AMean 46, SD 1.8
  • BMean 46, SD 18
  • CMean 54, SD 18
  • DMean 46, SD 68

Step-by-Step Solution

: mean , SD (the 50 does not affect SD).
Answer: B) Mean 46, SD 18

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