Table shows marks of 90 students in mathematics test.
An organisation selected 2400 families at random and surveyed them to determine a relationship between income level and the number of vehicles in a family. The information gathered is listed in the table below:
Three coils are tossed simultaneously 200 times with the following frequencies of different outcomes:
In a particular section of class IX, 40 students were asked about the months of their birth and the following graph was prepared for the data so obtained:
1500 families with 2 children were selected randomly, and the following data were recorded: