CSSBB Online Practice Questions and Answers

A Non-parametric Test should be used if just one distribution is not Normal out of the two or more gathered.

A. True

B. False

Measurement __________ is defined as the difference between the observed and the expected values for a given set of data.

A. Breadth

B. Linearity

C. Range

D. Bias

For a Normal Distribution as samples size increases the Range in Mean and Standard Deviation decrease relative to the Mean and Standard Deviation of the population.

A. True

B. False

Calculate the Rolled Throughput Yield of this process using this data.

Data: unit input: 1215, unit output: 1180, defects repaired: 184, scrap: 42

A. 80.85%

B. 81.40%

C. 82.23%

D. 84.96%

A Full Factorial experiment using a 3 level 3 factor approach has been proposed to test the viability of an extrusion machine experiment. How many treatment combinations will this approach involve?

A. 6

B. 9

C. 27

D. 54

If an experiment has 5 factors and no replicates for a 2-level Experimental Design with 16 experimental runs which statement is incorrect?

A. The Experimental Design is half-fractional

B. The Main Effects are confounded with only 4-way interactions

C. The Main Effects for the 5 factors are not aliased or confounded but the 2-way interactions are confounded with the 3-way interactions

D. The experiment has 8 experimental runs with the first factor at the high level

The two types of data that can be used in Statistical Analysis are Attribute and Variable.

A. True

B. False

Data that can be measured on a continuum and has meaningful decimal subdivisions are __________ data.

A. Continuous

B. Surplus

C. Discrete

D. Variable

An ANOVA used across many dependent variables could increase the Beta risk.

A. True

B. False

Using this partial Z Table, how many units from a month's production run are expected to not satisfy customer requirements for the following process?

Upper specification limit: 8.4 Lower specification limit: 4.7 Mean of the process: 6.2 Standard Deviation: 2.2 Monthly production: 360 units

A. 8

B. 13

C. 28

D. 57