Eleven resilient modulus observations of a ceramic mixture of type A are measured and found to… 1 answer below »

Eleven resilient modulus observations of a ceramic mixture of type A are measured and found to have a sample average of 18.42 psi and sample standard deviation of 2.77 psi. Ten resilient modulus observations of a ceramic mixture of type B are measured and found to have a sample average of 19.28 psi and sample standard deviation of 2.41 psi. Is there sufficient evidence to support the investigator’s claim that type A ceramic has larger variability than type B? Use α = 0.05.

 

 

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