第1章ヒストグラムとは? ヒストグラム(Histogram)は、データの分布の形を視覚的に捉えるためのグラフです。 数値データを「区間(Bin)」ごとに分け、それぞれの区間に含まれるデータの個数(頻度)を棒の高さで表します。 たとえば、テストの点数 ...
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 ...