A bar chart that divides a range of measured values into intervals (classes) and displays the number of data points (frequency) falling within each interval. Used in quality management to visually understand the spread and shape of data distributions, it is one of the seven basic QC tools. The horizontal axis typically represents measurement intervals and the vertical axis represents frequencies.

Past questions testing this term · 1 questions

• 2016h28h #32品質管理において，測定値の存在する範囲を幾つかの区間に分け，各区間に入るデータの度数を棒グラフで表したものはどれか。