The following data relate to the incomes of $86$ persons:Income | $500-999$ | $1000-1499$ | $1500-1999$ | $2000-2499$---|---|---|---|---Freq | $15$ | $28$ | $36$ | $7$What is the percentage of persons earning more than ₹$1500$?

Divided bar chart is considered for

$Data are said to be ______ if the investigator himself is responsible for the collection of the data.$

A suitable graph for representing the portioning of total into sub parts in statistics is:

The average of salaries in a factory is $47,000$. The statement that the average salary $47,000$ is

$Statistics cannot deal with ______ data.$

$Census reports are used as a source of ______ data.$