Question

Which of the following statement(s) is/are incorrect?

• A. The data obtained in original form are called raw data.
• B. The number of times an observation occurs is called its mode.
• C. The data collected by the investigator himself/herself is known as primary data.
• D. The data collected by someone, other than the investigator, are known as secondary data.

Answer 1

The correct option is B The number of times an observation occurs is called its mode.

The statement; ‘the number of times an observation occurs is called its mode’ is false. The correct statement is, ‘the number of times an observation occurs is called its frequency’. Also the mode is that observation which occurs maximum number of times.
So the correct choice is (b)