You Want to Determine the Control Lines for a P-Chart

question 46

Multiple Choice

You want to determine the control lines for a p-chart for quality control purposes.If the desired confidence level is 99 percent, which of the following values for "z" would you use in computing the UCL and LCL?

• A)0.99
• B)2
• C)2.58
• D)3
• E)None of these

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Definitions:

Null Hypothesis

A theory that assumes there is no statistical significance in a set of given observations, with the aim of testing the validity of this assumption.

Student-t

A probability distribution used in statistical science, particularly in scenarios with small sample sizes or unknown variances.

F-distribution

A probability distribution that arises in the testing of whether two sample variances are equal, used in ANOVA and other tests involving multiple variances.

Chi-squared Distribution

A distribution used in statistics that measures how expectations compare to actual observed data, particularly in the context of categorical variables.