Question: Consider the surface height data for Rauls unpolished and polished reflective surfaces of a silicone microchip given in Applied Example 10. 11 on page 504.

Consider the “surface height” data for Raul’s unpolished and polished reflective surfaces of a silicone microchip given in Applied Example 10. 11 on page 504.
a. Present and describe each set of data (unpolished and polished) using a histogram, the mean, and the standard deviation.
b. Check each set of data for a normal distribution: (1) State what you believe to be the case based on the results found in part a. (2) Further, find additional statistical evidenc e. (3) Very precisely state your conclusions regarding normality.

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