Online Access Free CSSBB Practice Test

Special Cause Variation falls into which two categories? (Note: There are 2 correct answers).

• A.Natural
• B.Assignable
• C.Pattern
• D.Short term

A population of size 1,000,000 has mean 42 and standard deviation 6. Sixty random samples, each of size 15 are selected. According to the Central Limit Theorem the distribution of the sixty sample means has a standard deviation of approximately:

• A.6/42
• B.6
• C.6/15
• D.none of the above
• E.6/ 15

The overall tolerance for three components in series in an electrical circuit Is+ 10 . Assuming normal, stable, capable processes produce the components, use stack tolerance techniques to find a set of tolerances for the three components.

• A.7, 7 and 6 respectively
• B.8, 8 and 8 respectively
• C.10, 10 and 14 respectively
• D.3, 3 and 4 respectively

A dock worker for a feed supplier was tasked with assuring the proper weight in the feed bags as they left the dock. One of the columns listed the range of weight of the bags included in the studies. This required plotting a Histogram of the weight of the bags. While drawing the Histogram the x-axis contained a certain scale of data. Pick the scale of data that is appropriate for Histograms.

• A.Ration Scale Data
• B.Ordinal Scale Data
• C.Nominal Scale Data
• D.Interval Scale Data

Contingency Tables are used to test for association, or dependency, between two or more classifications.

• A.True
• B.False