A bolt manufacturer is very concerned about the consistency with which his machines produce bolts. The bolts should be 0.19 centimeters in diameter. The variance of the bolts should be 0.01. A random sample of 17 bolts has an average diameter of 0.2cm with a standard deviation of 0.0608. Can the manufacturer conclude that the bolts vary from the required variance at α=0.1 level?
Step 2 of 5 :
Determine the critical value(s) of the test statistic. If the test is two-tailed, separate the values with a comma. Round your answer to three decimal places.
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