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Questions:
1) Write introduction to SPC (STATISTICAL PROCESS CONTROL)?
2) Explain the use of SPC tools used at D2D?
3) How could these tools be applied to good effect in your company or another you know well?
4) Provide examples to support your answer?
REQUIREMENTS:
PLEASE READ case study AND BOOK found in the link above BEFORE START WRITE THIS ASSIGNMENT.
A) Chose a subtitle in you writing.
B) Style of the assignment must be:
Please use Harvard style.
A survey of 600 non-fatal accidents showed that 111 involved the use of a cell phone. Find a point estimate for p, the population proportion of accidents that involved the use of a cell phone.
Show that {Xt} is a white noise sequence.This provides an example of a dependent white noise sequence. Prove that Xt and Xt+1 are not dependent.
Angioplasty is a medical procedure in which an obstructed blood vessel is widened. In some cases, a wire mesh tube, called a stent, is placed in the vessel to help it remain open.
Use your results from #2 as estimates for μ and σ. Find the probability that a sample of 36 statistics students at DTCC has a height of 65 inches or taller.
Use this information to find the upper and lower limits of the first class if you wish to construct a frequency distribution with 10 classes.
An internal study by the Technology Services department at Lahey Electronics revealed company employees receive an average of 3.3 emails per hour. Assume the arrival of these emails is approximated by the Poisson distribution.
Calculate the mean, median and mode for both sets and do graph/histogram to chart the results and conclude if indeed one set of year had more the other as far a snowfall.
A statistics professor planed her classes so carefully that the lengths of her classes are uniformly distributed between 45 and 55 minutes. Find the probability that a given class period runs greater than 50.25 minutes.
A shipment of 10 items has two defective and eight nondefective items. In the inspection of the shipment, a sample of items will be selected and tested. if a defective item is found the shipment of 10 will be rejected.
A laboratory tested 70 chicken eggs and found that the mean amount of cholesterol was 229 milligrams with s = 19.9 milligrams. Construct a 95% confidence interval for the true mean cholesterol content of all such eggs.
The mean amount purchased by a typical customer at Churchill's Grocery Store is $23.50 with a standard deviation of $5.00. Assume the distribution of amounts purchased follows the normal distribution. For a sample of 50 customers, answer the follo..
Then comment on the effectiveness of the presentation: Were the frequency distributions used effectively to report the results? Why or why not?
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