Calculate the mean of the following data by all three methods, and compare the results. Class IntervalFrequency110−1108110−1209120−13011130−14012140−15010 [4 MARKS]
Find the median of the following data. Class intervalFrequency0−10610−20720−301130−40940−507 [3 MARKS]
Find the mean of the given data. Class intervalFrequency0−1007100−20011200−30015300−4009400−5008 [3 MARKS]