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Statistics question

2023 · 30 Jan · Shift 1 · Q39
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Statistics question

2023 · 30 Jan · Shift 1 · Q39

JEE MainMathematicsStatisticsNumerical+4 / −1
The mean and variance of 7 observations are 8 and 16 respectively. If one observation 14 is omitted and a and b are respectively mean and variance of remaining 6 observation, then a+3b−5\mathrm{a+3 b-5}a+3b−5 is equal to ‾\underline{\hspace{2cm}}​.
Numerical answer
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