You Are Going to Develop an R-Chart Based on Range

question 40

Multiple Choice

You are going to develop an R-chart based on range statistics, and you are using a sample size of 15 for your charting purposes.Which of the following is the upper control limit D4 factor for the chart?

• A)1.65
• B)1.70
• C)1.76
• D)1.87
• E)1.92

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Definitions:

Endangered Species

Species that are in danger of extinction throughout all or a significant portion of their range due to various factors like habitat loss, poaching, and climate change.

Threatened Species

A categorization for species that are at risk of becoming endangered in the near future.

Extinct Species

Species that no longer exist anywhere on Earth, typically as a result of natural phenomena or human activities.

Endangered Species

Refers to species at risk of extinction due to a drastic decline in their population and habitat.