Jee Main
Statistics
JEE Main 2022 (Online) 29th June Morning Shift
MCQ+4 / -12022
Let the mean and the variance of 5 observations x1, x2, x3, x4, x5 be \({24 \over 5}\) and \({194 \over 25}\) respectively. If the mean and variance of the first 4 observation are \({7 \over 2}\) and a respectively, then (4a + x5) is equal to: