Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Quantitative Aptitude Elementary Statistics

The mean and standard deviation of a set of scores are 43 and 8 respectively. If each raw score is decreased by 5, the new mean and standard deviation would be

1
(38, 8)
2
(38, 3)
3
(40, 13)
4
(40, 8)
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