In the groups 0-20, 20-40, 40-60, 60-80 of a grouped data, 20 is included in the group 0-20.
True
False
In the groups like 0-20, 20-40 the common term i.e., here 20, is always included in higher range i.e., in 20-40.
Calculate coefficient of correlation between age group and rate of mortality from the following data. Age Group0−2020−4040−6060−8080−100Rate of Mortality350280540760900