Find the mean of the following data. Class0−1010−2020−3030−4040−50Frequency671197
Class MarkFrequencyfixi156902571753511385459405557385 ∑fi=40 ∑fixi = 1440 Mean = 144040=36
Find the mode of the following data. Class interval0−1010−2020−3030−4040−50Frequency671197
Find the median for the following data
Class interval0−1010−2020−3030−4040−5050−60Frequency162032483014