← Practise by chapter
Statistics
JEE · Maths · 2 of 108 past questions open for you
Question 1 of 2 (of 108 in the paper)Score: 0
MathsStatistics
The mean and variance of 10 observations are 9 and 34.2, respectively. If 8 of these observations are 2, 3, 5, 10, 11, 13, 15, 21, then the mean deviation about the median of all the 10 observations is
JEE Maths · Statistics · Verify answers against official keys where it matters.