Mathematics
Mean of 9 observations was found to be 35. Later on, it was detected that an observation 81 was misread as 18. Find the correct mean of the observations.
Related Questions
The mean of 8 variates is 10.5. If seven of them are 3, 15, 7, 19, 2, 17 and 8, then find the 8th variate.
The mean weight of 8 students is 45.5 kg. Two more students having weights 41.7 kg and 53.3 kg join the group. What is the new mean weight?
A student scored the following marks in 11 questions of a question paper:
7, 3, 4, 1, 5, 8, 2, 2, 5, 7, 6.
Find the median marks.
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2, 3, 4, 3, 0, 5, 1, 1, 3, 2.