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Control charts are graphical plots used in production control to determine whether quality and manufacturing processes are being controlled under stable conditions. (ISO 7870-1) The hourly status is arranged on the graph, and the occurrence of abnormalities is judged based on the presence of data that differs from the conventional trend or deviates from the control limit line.
The UK Video Charts is a group of charts compiled by the Official Charts Company on behalf of The British Association for Screen Entertainment. The charts are based on weekly DVD, Blu-ray and, formerly, VHS sales in 6,500 retailers across the UK. The main chart combines the sales of all video sales in the UK and trades under the name of the ...
The UK singles chart was first compiled in 1969. However, the records and statistics listed here date back to 1952 because the Official Charts Company counts a selected period of the New Musical Express chart (only from 1952 to 1960) and the Record Retailer chart from 1960 to 1969 as predecessors for the period prior to 11 February 1969, where multiples of competing charts coexisted side by side.
Snellen chart is used to estimate visual acuity (last three rows are 20/15, 20/13 and 20/10) A Snellen chart is an eye chart that can be used to measure visual acuity. Snellen charts are named after the Dutch ophthalmologist Herman Snellen who developed the chart in 1862 as a measurement tool for the acuity formula developed by his professor ...
The charts tabulate the relative weekly popularity of the artists, songs and albums in the United States and globally. This is a list of K-pop musicians and bands and their placement, along with their musical releases, singles, EPs and albums on the Billboard charts. BoA performing at San Francisco Pride, June 28, 2009
Current Billboard logo.. Wonder Girls was the first K-pop act to enter the Billboard Hot 100, doing so with "Nobody" in 2009.. List of K-pop songs on the Billboard charts is a compilation of weekly chart information for K-pop music published by the Billboard charts, and reported on by Billboard K-Town, an online Billboard column.
A flowchart is a type of diagram that represents a workflow or process. A flowchart can also be defined as a diagrammatic representation of an algorithm, a step-by-step approach to solving a task. The flowchart shows the steps as boxes of various kinds, and their order by connecting the boxes with arrows.
Control charts attempt to differentiate "assignable" ("special") sources of variation from "common" sources. "Common" sources, because they are an expected part of the process, are of much less concern to the manufacturer than "assignable" sources. Using control charts is a continuous activity, ongoing over time. Stable process