Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
The data from the drive quality tests conducted at DataStor over the past 150 shifts are contained in the file DATASTOR. The Data Description section contains a description of this data file. Using this data set and other information given in the case, help Bill Roberts and Tony Escalera solve the quality problem they are experiencing at DataStor. In particular, speculate as to the source of the problem based on your analysis of the data. The Case Questions will assist you in your analysis of the data. Use important details from your analysis to support your recommendation.
Questions: 1. Has DataStor Company had a quality problem (4 returned shipments in 20 days)? Can the problem with unaccepted shipments simply be caused by random variation? What evidence leads you to your conclusion? Attach supporting evidence from your data analysis. (Hint: you need to think about the following probabilities) · If the DataStor DS1000 hard drive production process at DataStor Company is in control, what percentage of the drives produced would be considered in nonconformance by Four-D? · If the DataStor DS1000 hard drive production process at DataStor Company is in control, how often would shipments be found unacceptable by Four-D? · What is the probability of four rejected shipments in the past twenty days assuming that the process has been in control all this time? 2. Why were the defective products not detected before the shipments? How can the problem be fixed? 3. If the problem with unaccepted shipments is due to an increase in drive nonconformances at DataStor, when were the low quality products produced (e.g., weeks, shifts)? What evidence leads you to your conclusion? Attach supporting evidence from your data analysis.
ten voters are randomly selected and asked if they will vote for the incumbent president. five said yes and three said
Sugar in Cereal. Different cereals are randomly selected, and the sugar content (grams of sugar per gram of cereal) is obtained for each cereal
The advertising agency promoting the new Keem dishwashing soap wants to get the best exposure possible for the product within the $100,000 advertising budget ceiling placed upon it.
the covariance between the returns of a and b is -0.112. thenbsp istandard deviation of the rates of returns 0.26 for
"What is the five-step process for hypothesis testing? Is the order important? Why or why not?"
a group of students at a school take a history test. the distribution is normal with a mean of 25 and a standard
Add titles and modify the default colors, fonts, etc., as you judge appropriate to make the scatter plot effective. (b) Describe the relationship (if any) between X and Y. Weak? Strong? Negative? Positive? Linear? Nonlinear?
oil field pipes are internally coated in order to prevent corrosion. researchers investigated the influence that
I need to collect both primary and secondary data regarding the research issue on salary of baseball players. (the aim of this research is to verify whether the salary of the baseball players varies with respect to the state)
Test whether there is a difference in the mean of times men and women and determine the p-value.
a researcher concerned about the foreign ownership of the retail trade industy in the u.s. conducts a survey of retail
A random sample of 400 college students was selected and 120 of them had at least one motor vehicle accident in the previous two years. A random sample of 600 young adults not enrolled in college was selected and 150 of them had at least one motor..
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd