Normal probability plot of the residuals

Reference no: EM131015235

The percentage of "white area" in a sample of a dark product is used to evalu ate how well a white raw material has been mixed into the product. Using the data from whitearea .txt, which contains samples from two different mixing processes, do the following.

(a) Make a normal probability plot of the residuals and comment on it.

(b) Test to see if white area percentages differ for the two groups using a = 0.10. Explain what your results mean.

Reference no: EM131015235

Questions Cloud

What are some of the reasons latinos are not making : Write a 6-7 page paper APA style. "The barriers Latino's face in the American voting process" I need at least 20 citations in the paper. Basically "what are some of the reasons Latinos are not making it to the polls."

List two cases described in this chapter : List two cases described in this chapter in which insufficient testing was a factor in a program error or system failure. List two cases described in this chapter in which the provider did an inadequate job of informing customers about flaws in the s..

Confidence interval for the difference : (b) Construct a 95% confidence interval for the difference in "over-fill" rates between the two assembly lines. (c) How large a sample would be required for the test in part (a) to have a power of 0.9 for detecting a difference of 0...

Difference in the proportions defective : Molded fiberglass parts are to be tested for defectives. Two different grades of fiberglass were used for the parts, and one is interested in testing for a difference in the proportions defective using a: = 0.05.

Normal probability plot of the residuals : The percentage of "white area" in a sample of a dark product is used to evalu ate how well a white raw material has been mixed into the product. Using the data from whitearea .txt, which contains samples from two different mixing processes, do th..

Did eli lilly offer defined benefit plans : Was Eli Lilly's actual return on plan assets for the defined benefit plan more or less than expected for 2012? By how much? Actual return can be found in the plan assets detail. Expected return can be found in the pension expense detail.

Populations with the same variance : Given that higher is better for this quality measurement, test the hypothesis that the quality of the second lot is lower than that of the first lot using a = 0.05. You may assume the two lots come from populations with the same variance.

Find the exact value of the real number y : A tank initially contains 100 gallons of brine in which 40 pounds of salt was dissolved. a brine containing 2 lb/gal of salt runs into the tank at the rate of 4 gal/min. Find the exact value of the real number y.

Prepare a schedule that calculates tlc expenses : Prepare a partial balance sheet for TLC, Inc. as of December 31, 2013, showing the intangible assets. Provide a separate schedule for each intangible asset to support items listed on the balance sheet. TLC, Inc. amortizes its intangible assets usi..

User Account

All Pages