What would be the most appropriate way of representing data from:
A survey conducted of $1000$1000 people, asking them how many languages they speak?
Leaving the data ungrouped and constructing a frequency table
Grouping the responses and constructing a frequency table
A survey conducted of $1000$1000 people, asking them how many different countries they know the names of?
Grouping the responses and constructing a frequency table
Leaving the data ungrouped and constructing a frequency table
Find the class centre for the class interval $\left(12-20\right)$(12−20)
Find the class centre for the class interval $17$17-$22$22.
Some data is grouped into class intervals.