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QUESTION: 219

What is the value of the test statistic?


A. 0.898

B. 1.251

C. 0.429

  1. 3.57

  2. none of the above


Answer: D


QUESTION: 220

If the value of the test statistic had been 0.185, what action should have been taken regarding the null hypothesis?


  1. rejected

  2. accepted

  3. none of the above

  4. all of the above


Answer: C


QUESTION: 221

If the value of the test statistic had been 7.03, what action should have been

taken regarding the null hypothesis?


  1. rejected

  2. accepted

  3. not rejected

  4. none of the above


Answer: A


Section 16: Sec Sixteen (222 to 224)

Details:


Here is an experimental design with results:


image


QUESTION: 222

This experimental design is:


  1. full factorial

  2. half factorial

  3. quarter factorial

  4. none of the above


Answer: B


QUESTION: 223

The number of factors, levels and replications:


A. 3, 3, 3

B. 2, 3, 2

C. 3, 2, 2,

D. 3, 2, 3

E. 2, 2, 2

F. none of the above


Answer: D


QUESTION: 224

An indication of the experimental error is available because the design has:


  1. multiple replications

  2. multiple levels

  3. multiple factors


Answer: A


QUESTION: 225

The average number of defects is 21.6. Find the upper control limit for the

c-chart.


  1. 26.4

  2. 24.6

  3. 18.8

  4. 26.2

  5. none of the above


Answer: E


QUESTION: 226

An x-bar and R chart is used to monitor a process. One week ago a new

type of raw material was introduced and since that time 60 points have been plotted on the xbar chart and all are in the middle third of the chart. The corresponding 60 points on the R chart are all below the average range. This indicates that:


  1. the operator has been plotting the points incorrectly

  2. it is time to recalibrate the gage used

  3. it is time to recalculate the control limits

  4. the material manager should be asked to go back to the previous raw material so the charts will more accurately reflect the process


Answer: C


QUESTION: 227

Here is a partial ANOVA table. Use α = 0.05.


image

The values of x, y and z should be:


A. 200, 20, 3.22

B. 12, 1.2, 4.06

C. 200, 20, 4.06

D. none of the above


Answer: A


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