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estimates can be made quickly and accurately

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-estimates key value at a glance

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accessible to a wide audience

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Advantages

show each data category in a frequency distribution

display relative numbers or proportions of multiple categories

summarize a large data set in visual form

clarify trends better than do tables

estimate key values at a glance

permit a visual check of the accuracy and reasonableness of calculations

be easily understood due to widespread use in business and the media

Disadvantages

require additional explanation

be easily manipulated to yield false impressions

fail to reveal key assumptions, causes, effects, or patterns

- Ruisha

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Advantage:
easily shows if its an increase or decrease with a glance.

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use pie charts when there are not too much of data

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Advantages
Display change one time
Disadvantage
Appearance may imply more info than you have

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easy to get confused when there are too much quantities

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advantage: pie charts work well when you need to present and measure simple data
disadvantage: Does not suit complex needs as well as other visualization tools such as bar graphs

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it represents data as a simple and easy to understand picture

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Simple and easy to understand. It requires minimal additional explanation

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Lines graphs helps to determine the relationship of two values,with one being dependent on the other set.

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effective communication tool

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Pie charts is a simple way to visualise statistical information.Simple to create and understand.Pie charts removes the need for readers to examine or meausure underlying numbers themselves.

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the pie chart is easy to understand,so it will be easier to compare things

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It summarize a large data set in visual form.

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Best for showing percentage

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Display change over time

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-represents data visually as a fractional part of a whole .
-readers see a data comparison at a glance.

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displays can change over time

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A line graph is a way to summarize how two pieces of information are related and how they vary depending on one another...

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require additional information

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ADVANTAGES

make trends easier to highlight than tables do

estimates can be made quickly and accurately

DISADVANTAGES

often require additional explanation

fail to expose key assumptions, causes, impacts and patterns

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display relative proportions of multiple classes of data

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appearance may imply more info than you have

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it is less effective,when there is too much data.For example,there is more than 10 pieces/slices

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adding data labels and numbers may not help,they themselves may become crowded and hard to read

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Requires additional explanations

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It is easy to recognise the number of items in a pie chart.

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The size of the circle can be more proportional to the total quantity it represents

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ADVANTAGES
-Show relationship between 2 or more
- Can show positive or negative values
DISADVANTAGES
- Becomes more complicated if there are uneven class interval.
-Using to many or too few classes can mask important patterns in the data

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Advantage:
It can be an effective communication tool for even an uninformed audience because it represents data visually as a fractional part of a whole.
Disadvantage:
Adding data labels and numbers may not help here,as they themselves may become crowded and hard to read.

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Line graph is a graph that shows lines to represent numbers

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estimate can be made quickly and accurately

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dvantages
-can display changes over an amount of time

Disadvantages
-the appearance of the line graph may imply more information than we have

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Pie chart removes the need of readers to examine or measure

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eh

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Display change over time

Appearance may imply more information than you have

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commonly used to display change over time as a series of data

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changing scale of axis may drastically change the visual expression of the graph

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advantage -it is easy to refer to the quantity of that particular things

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visually simpler than other types of graphs

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Changing the scale of either axes can dramatically change the visual impression of the graph...

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It requires minimal additional explanation.

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data manipulation within the chart's design may lead readers to draw inaccurate conclusions or to make decisions based on visual impact rather than data analysis

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Advantage :  popular and easy to understand.
easy creation of pie charts

Disadvantages : Valid for one point in time only
Data can only be extracted from DW-cubes

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line graph helps the relationship between two sets

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It does not reveal exact values

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require additional explaination

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summarize a large

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-easy and simple to use for culcalation.very clear indication.

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C

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Easy to understand.

Can be inaccurate most of the time

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pie chartsssssssss

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Pie chart

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Alyssa