A histogram is drawn like a bar chart, but often has bars of unequal width. It is the area of the bar that tells us the frequency in a histogram, not its height. Key fact Instead of plotting frequency ...

Sometimes a histogram will already be drawn for us. We can then use this to find the frequency of each group, and hence the total frequency for the distribution. This histogram is to show the number ...

No matter what type(s) of photography you like to pursue, mastering exposure is key to creating successful images. While it can be tempting to use your camera's screen to judge exposure, that display ...

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