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A Gantt chart is a type of bar chart [ 4][ 5] that illustrates a project schedule. [ 6] This chart lists the tasks to be performed on the vertical axis, and time intervals on the horizontal axis. [ 4][ 7] The width of the horizontal bars in the graph shows the duration of each activity. [ 7][ 8] Gantt charts illustrate the start and finish ...
PERT distribution. In probability and statistics, the PERT distributions are a family of continuous probability distributions defined by the minimum ( a ), most likely ( b) and maximum ( c) values that a variable can take. It is a transformation of the four-parameter beta distribution with an additional assumption that its expected value is.
Pivot table. A pivot table is a table of values which are aggregations of groups of individual values from a more extensive table (such as from a database, spreadsheet, or business intelligence program) within one or more discrete categories. The aggregations or summaries of the groups of the individual terms might include sums, averages ...
A Usenet newsgroup is a repository usually within the Usenet system, for messages posted from users in different locations using the Internet. They are discussion groups and are not devoted to publishing news. Newsgroups are technically distinct from, but functionally similar to, discussion forums on the World Wide Web.
The Public Broadcasting Service (PBS) is the primary non-profit television service, with 349 member public broadcasters. News and public affairs programs include PBS NewsHour, Frontline, and Washington Week. In September 2012, PBS rated 88% above CNN in public affairs programming, [ 1] placing it competitively with cable news outlets [ 2] but ...
Beta distribution is a combination of probability theory and statistics, most commonly used in project management for time allocation and to analyse random variables. Critical path drag is a project management metric used to schedule analysis and compression in the critical path method of scheduling. Drag cost is the reduction in the expected ...
x̅. and R chart. In statistical process control (SPC), the and R chart is a type of scheme, popularly known as control chart, used to monitor the mean and range of a normally distributed variables simultaneously, when samples are collected at regular intervals from a business or industrial process. [ 1]
Shewhart individuals control chart. In statistical quality control, the individual/moving-range chart is a type of control chart used to monitor variables data from a business or industrial process for which it is impractical to use rational subgroups. [ 1] The chart is necessary in the following situations: [ 2]: 231.