Find the mean of the given data. Class intervalFrequency0−1007100−20011200−30015300−4009400−5008 [3 MARKS]
The table shows the Distribution of the Scores obtained by 155 shooters in a shooting competition. Using the step - deviation method find the mean.
ScoresNo. of shooters0−101010−201220−301530−40840−502050−602460−70770−801180−903090−10018
Find the median of the following data. Class intervalFrequency0−10610−20720−301130−40940−507 [3 MARKS]