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!
A Normally distributed quality characteristic is monitored throughuse of an x bar and R chart. These charts have the followingparameters n=4
X barchart R chart
UCL=626 UCL=18.795
Center line=620 Center line =8.236
LCL=614 LCL=0
Both charts exhibit control.
a) What is the estimated standard deviation of the process?
b) Suppose an s chart were to be substituted for the R chart. Whatwould be the appropriate parameters of the s chart?
c) If specifications on theproduct were 610 +/- 15, what would be your estimate of the processfraction nonconforming?
d) What could be done to reduce this fraction nonconforming?
e) What is the probability of detecting a shift in the process mean to610 on the first sample following the shift (sigma remainsconstant)?
f) What is the probability ofdetecting a shift in part (e) by at least the third sample afterthe shift occurs?
An election poll reported that a candidate has an approval rating of 54% with a margin of error of 4%. Construct a confidence interval for proportion of adults who approve of the candidate.
In a sample of 20 men, the mean height was 178 cm. In a sample of 30 women, the mean height was 164 cm. What was the mean height for both groups put together?
There are many nonparametric tests that have been developed over the years. Explain what nonparametric tests are and why they were developed.
rolling a fair twelve-sided die produces a uniformly distributed set of numbers between 1 and 12 with a mean of 6.5 and
an estimate of a population parameter that provides an interval of values believed to contain the value of the
the table below shows the political affiliation of randomly selected american voters and their positions on the school
the mean and standard deviation on a calculus mid term are 61 and 13 points while they are 65 and 19 on the final. if a
Explain the difference between a population and a sample. In which of these is it important to distinguish between the two in order to use the correct formula?
What are the hypotheses we would want to test for the Kleenex case?
a scientist testifying before a congressional hearing on the effects of estrogenic pesticides told every man in the
please respond to the followingmiddot explain the concept of time value of money and how this can be applied in your
What are the 2 ways in which researchers assess the reliability of their measures? Be sure you understand the difference among these 2 approaches to reliability.
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