Variability

Q. Consider a data set "The age of students in a particular class". This data set will represent in the data collected.
(variability/ non-variability).

Q. The question, "How many snacks are available at a vending machine?" falls under which category?

Also choose the category for the question, "Which is the most prefered snack?".

1. Non-Statistical question; Statistical question
2. Statistical question; Non-statistical question

Q. Variability is the variety of answers that can be observed in any data.

1. True
2. False

Q. Consider the following statements:

STATEMENT I: For the given question to be statistical, there must be variability in the collection of data.

STATEMENT II: A single valued answer to a questions falls under the category of statistical question.

STATEMENT III: The question, "How much time does Mathew spend on solving a practice paper?" falls under the category of statistical data.

Choose the correct option.

1. Only STATEMENT II is correct.
2. Only STATEMENT I is correct.
3. Both STATEMENT II and STATEMENT III are correct.
4. None of the above.

Q. To answer the question, "How well a grade performed in a particular test?" requires , whereas the term used to represent how well a particular student perform in that test is called .