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Data Handling Checklist - Research Paper Example

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The research paper "Data Handling Checklist" is purposed to give an instruction in creating a data handling checklist. The author of this paper offers full and understandable instructions and shows all his steps on the graphic examples attached in the document.
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Data Handling Checklist
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Download file to see previous pages 1.2 Use data collection sheets to record data from a practical exercise (e.g. measuring temperature change over time) (p264 Chapter 28).

Solution: There are a number of methods available to record the raw data.

Let here we use tally chart to record the data related to measure the temperature change over time. The data recorded in table 1.2(a) is the raw data about the variation of temperature over time for a hot summer week.

1.3 Identify strengths and weaknesses of different methods of data collection, e.g. tally chart - frequency table (p274 Chapter 28 submit Question 1).

Answer.
Strengths of Tally chart.

A tally chart is a grid used to help clearly show information as it is collected.

A good tally chart,
-shows the information clearly.
-have clear columns and headings.
-uses lines to show numbers and a total number to show the frequency.

Weakness of Tally chart

-Tally chart is not a good option to use for a large complex data collection.

-Since Tally chart uses lines to show numbers, therefore for large data the

Tally (lines) patterns are not only have an odd outlook but also cover a lot of space.

Frequency Table
When summarizing large masses of raw data it if often useful to distribute the data in classes or categories and to determine the number of individuals belonging to each class called the class frequency. A tabular arrangement of data by classes together with the corresponding class frequency is called a frequency distribution or frequency table.

The data organized in frequency table is termed as grouped data.



Strengths of Frequency Table

A frequency table can split data into classes or categories.

By frequency table the actual number of scores as well as the % age of scores in

each interval can be displayed.

A frequency table can be used to summaries categorical, nominal, and ordinal

data. It may also be used to summar ...Download file to see next pagesRead More
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