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What figure here includes a statistical comparison pie chart bar graph data table graph with both bars and lines?
There is no such figure.
Who first used the Pie Chart?
The inventor of the Pie Chart was not Florence Nightingale. The earliest known pie chart is generally credited to William Playfair's Statistical Breviary of 1801, where two such graphs are used according to WikiPedia
What to do when the z score is not in the z score chart?
The average z score chart lists z scores with three significant figures. For example, you can find the z score -1.81 on the chart, but not -1.812 or -1.818. In the case that you wish to look up a z score with more than three significant figures, round it to three significant figures and then use the chart. OR You can also use a calculator if you wish to get more accurate results. The link for calculator is mentioned below.
Is the bar chart preferred to the pie chart?
Each chart has its own purpose and is preferred in various situations. Pie charts are useful when comparing percentages of a whole. Bar charts, on the other hand, are useful when comparing figures which are not necessarily parts of a whole.
Why is a pie chart called a pie chart and not a cake chart?
A pie chart is called a pie chart because it looks like a piece of pie cut into sections... It ISN'T called a cake chart, because a cake chart would be to controversial. - iow (in other words) - a cake can be multi-layered, or it can have fancy icing, or even small figures or toys... Where as a pie is almost always flat (depending on the pie), never has fancy icing, and is never multi-layered... To put it another way, a cake chart would be hard to explain, where as a pie chart is what everyone is familiar with, and almost no explaining is required... Put's less pressure on everyone to just pie chart.
