UNIT 5 LESSON 1

Question 1

What is a field?

Answer 1

A field is a space in a database used to store data. It is a column in a spreadsheet.

Question 2

What is a Record?

Answer 2

A record is a set of information about a specific person or thing. It is a row in a spreadsheet.

Question 3

What is a hypothesis?

Answer 3

A hypothesis is a set of statements that can be proved true or false based on evidence

Question 4

Can you give another definition of data?

Answer 4

Data is a collection of anything that is unprocessed. Anything may refer to figures, numbers or strings.

Question 5

What is dirty data?

Answer 5

Dirty data is data which is totally wrong or misleading.

Example – entering string or blank data when asked to write/enter numeric data. One has to be careful and read the question properly.

Question 6

What are questionnaires used for?

Answer 6

They are used to
Get data on a certain topic
Check the level of a person
Collect data of other people in different ways (includes personal data)

Question 7

Which order is data arranged in?

Answer 7

Data is arranged in logical order.