WBJEE SERIES Mathematics
Statistics
2 previous year questions.
Volume: 2 Ques
Yield: Medium
High-Yield Trend
1
2017 1
2016 Chapter Questions 2 MCQs
01
PYQ 2016
medium
mathematics ID: wbjee-20
Standard Deviation of n observations is . Then the standard deviation of the observations is
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02
PYQ 2017
medium
mathematics ID: wbjee-20
Mean of observations is If an observation is replaced by then the new mean is
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