# Question: In exercise 8 18

In exercise 8.18

## Answer to relevant Questions

A process engineer is trying to improve the life of a cutting tool. He has run a 23 experiment using cutting speed (A), metal hardness (B), and cutting angle (C) as the factors. The data from two replicates are shown in ...Suppose that only the data from replicate I in Exercise 8.4 were available. Analyze the data and draw appropriate conclusions. Suppose that a unit had a Weibull time-to-failure distribution. The value of the scale parameter is . Graph the hazard function for the following values of the shape parameter: . For the fixed values of the scale ...Consider the time to failure data in Exercise 9.19. Is the normal distribution a reasonable model for these data? Why or why not? In exercise Consider the following 20 observations on time to failure: 702, 507, 664, 491, ...Consider the system shown in the accompanying figure. The reliability of each component is shown in the figure. Assuming that the components operate independently, calculate the system reliability.Post your question