If the mean and variance of five observations are and respectively, and the mean of the first four observations is , then the variance of the first four observations is equal to:
- A
- B
- C
- D
MCQMediumJEE Main 2024 · 29 January, Shift 2Measures of Central Tendency
Mathematics Question from JEE Main 2024 · 29 January, Shift 2
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