Kevlar epoxy is a material used on the NASA space shuttles. Strands of this epoxy were tested
Question:
(a) Find the range.
(b) Use a calculator to verify that x = 62.11 and x2 164.23.
(c) Use the results of part (b) to compute the sample mean, variance, and standard deviation for the time to failure.
(d) Interpretation Use the results of part (c) to compute the coefficient of variation. What does this number say about time to failure? Why does a small CV indicate more consistent data, whereas a larger CV indicates less consistent data? Explain.
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Related Book For
Understanding Basic Statistics
ISBN: 9781111827021
6th Edition
Authors: Charles Henry Brase, Corrinne Pellillo Brase
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