Refer to Exercise 1.
a. To what value should the process mean be set to maximize the process capability? Is it possible to make the process capability?
b. it is possible to make the process acceptable simply by adjusting the process mean? Explain.
c. When the process mean is adjusted to its optimum value, what value must be attained by the process standard deviation so that the process capability is acceptable?
d. When the process mean is adjusted to its optimum value, what value must be attained by the process standard deviation so that the process has six-sigma quality?
OIS 2340 - Business Statistics Week 3 1/23 - Professor Elizabeth Goryunova - University of Utah Chapter 3 In Class Lecture & Notes from the Textbook Histogram: No Gaps #’s Counts numbers upward Sorts by frequency of data, not categories Bar Chart: Gaps Nominal data Order doesn’t matter Scatter Diagram Used to show relationship between 2 quantitative variables Chapter 3 Parameter: a measure from the entire population Statistic: A measure from a sample selected from the population Mode: value that occurs most frequently (the most common outcome) - You can have more than one mode, being a bi-modal distribution Ex. If a restaurant wants to know the most common group size they seat they would collect data like this: Number of People Frequency 1 2 2
