You Are the Owner of a Camping Site and Want

Multiple Choice

You are the owner of a camping site and want to estimate the average age of your customers.For this purpose,you select a representative sample of your clients and offer them a discount good for their next visit as compensation for filling out a short questionnaire that includes relevant age intervals: "Your age is (a) 30 or younger,(b) 30 to 40,(c) 40 to 50,(c) 50 to 60,(d) 60 or older.This is an example of _______.

A) interval level data
B) ordinal level data
C) nominal level data
D) ratio level data
E) relative level data