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5.4 – Interpreting and Analysing Data, Lecture notes of Statistics

Anglia Ruskin University (ARU)Statistics

Learning Goals. 1. To understand the difference between primary and secondary data. 2. To distinguish between microdata and aggregate data.

Typology: Lecture notes

2021/2022

Uploaded on 09/12/2022

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November16,2015
Learning Goals
1.
To understand the difference between primary and
secondary data.
2.
To distinguish between microdata and aggregate data.
3.
To be able to analyse data effectively from Statistics
Canada.
Primary Source Data
– Data that have been collected
directly by the researcher and have not been manipulated
or summarized.
Secondary Source Data
– Data used by someone other
than those who actually collected them.
5.4 – Interpreting and Analysing Data
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Download 5.4 – Interpreting and Analysing Data and more Lecture notes Statistics in PDF only on Docsity!

Learning Goals

  1. To understand the difference between primary and secondary data.
  2. To distinguish between microdata and aggregate data.
  3. To be able to analyse data effectively from Statistics Canada. Primary Source Data – Data that have been collected directly by the researcher and have not been manipulated or summarized. Secondary Source Data – Data used by someone other than those who actually collected them. 5.4 – Interpreting and Analysing Data

Microdata – An individual set of data about a single respondent. Aggregate Data – data that are combined or summarized in such a way that the individual microdata can no longer be determined. Analysing Data from Statistics Canada Example One The table shows the average domestic airfares for 10 Canadian cities.

e) What type of sampling was used? Where did you find that information? Analysing a Database Example Two A music library has the attributes shown in the table. Use the table and the graphs to answer the following questions.

a) What type of data are these? b) How many songs are in this library? c) What is a more appropriate arrangement of the Genre graph? d) What kind of story or stories do the data in the graphs show? e) How does bit rate relate to the scatter plot of Size vs. Time?