m9 Y10 Homework Quiz - Component 2 - L1-7

What is data? Choose two statements that are true.

• Information that has been processed.
• Raw facts and figures.
• The context of information.
• Numbers, dates, words, symbols, images & sounds.

What way of representing information is typically best for qualitative information?

• Text
• Number
• Table

What are sparklines? Choose two statements that are true.

• Small & simple charts embedded in a table of data.
• They are most commonly presented as pie charts.
• They do not include any axis labels, titles or data values.
• They provide detailed explanations to table information.

What is a type check?

• A check to make sure that the input data is a string.
• A check to make sure that the input data is a number.
• A check to make sure that the input data is the correct kind of data.
• A check to make sure that some data actually exists.

You want to make sure that a user enters a phone number that is precisely 11 characters. Which validation check would you use?

• Presence
• Length
• Range
• Type

True or False: validation methods do not ensure that data is correct.

• True
• False

Verification is a check to ensure that data entered matches the original source.

• True
• False

Which of the following are examples of primary data collection methods? Choose two options.

• Questionnaires
• Online research
• Interviews
• Company materials

What is the benefit of online surveys over paper-based questionnaires?

• They can automatically analyse results.
• They're easier to distribute.
• All of the above.
• None of the above.

Which of the following are examples of secondary data collection methods? Choose two options.

• Journals
• Booking systems
• Questionnaires
• Observations