#134

A sample of 25 parts are inspected for a specific dimension with a resulting average of 2.22 and s = 0.67. What is the 99.73% confidence bound on the average?

A	1.118 and 3.332
B	2.000 and 2.440
C	0.21 and 4.23
D	2.043 and 2.397

#133

Each of the following describe characteristics of a rationale subgroup except

A	Sample data from different operators
B	Homogeneous data
C	Data collected in a small period of time
D	Data collected under the same conditions

#135 The Weibull distribution is used:

A	To optimize centering
B	To optimize dispersion
C	To determine reliability
D	None of the above