q3 Y10 Homework - BTEC DIT quiz on Component 2 Lessons 8-10

What method of data collection is generally more reliable and trustworthy?

• Primary
• Secondary

True or False: only information produced within the last year should ever be used for making decisions.

• True
• False

What does GIGO stand for? (Write your answer all lower case and with no punctuation)

(a)  

What do we mean by “amount of detail” of information?

• All parts of the information must be available.
• The precision of the information.
• How accurate the information is.
• The amount of data collected to produce the information.

True or False: the right amount of detail will depend on the audience using the information.

• True
• False

Which do we mean by “volume” of information?

• All parts of the information must be available.
• The precision of the information.
• How accurate the information is.
• The amount of data collected to produce the information.

Which of the following statements about the format/presentation of information are true? Choose two options.

• The format used to present information depends on what it is used for and who it is used by.
• Graphs are the best way of presenting information.
• Scientists analysing data gathered from an experiment would prefer the information presented as an infographic.
• Tables & graphs are two ways that information can be presented.

True or False: data models use data, calculations & visualisations to help businesses make better decisions.

• True
• False

Which of the following are reasons why the transport sector use data modelling? Choose two options.

• Analysing bus performance.
• Planning & adapting routes.
• Calculating fare prices.
• Managing bus repairs.

Which of the following are reasons why the education sector use data modelling? Choose two options.

• Analysing school success.
• Deciding the best exam boards to use.
• Working out the best way to deploy the school's resources.
• Managing student finances.