1. suddenly shifisTIONconforming. (Take o 6 s3lo 311 psi, what would happen to the percentagrQ4) For a controlled operation on a lathe, a particular dimension of a pan is specified as55 + 0.25 mm. Samples of five components were ecach measured to the nearest 0.001 in at 10 equaltime intervals and the following readings obtainedSample No5.55.0620276.55.054 55.028 55.012 54.996 55.030.261055.01OD955.0235.02255.002RangeCalculate:0.170.140.210.260180.19005(a)The relative precision index (RPI).(b) The control limits on means and ranges, given that the RPI corresponds to medium relaeprecisionFrom the given data and calculated limits construct control charts for meard and ranges of operationWhat do you deduce from your charts?Dams 0.38De- 0,59For samples of 5;Des 1.81Sim221/אל)

Relative Precision Index is the interval difference between the upper specification limit and the…

Answered: Q4) For a controlled operation on a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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1. Per the CDC article, men have higher blood pressure than women. Is this also true for this wholesale distribution center population? Use 0.05. Determine whether your (NEW) sample provides statistical evidence that this company’s population of adults has men with a higher blood pressure than women. Set alpha at 0.05 just focus on the Systolic number.
The percent defective for parts produced by a manufacturing process is targeted at 4%. The process is monitored daily by taking samples of sizes n = 160 units. Suppose that today's sample contains 14 defectives. How many units would have to be sampled to be 95% confident that you can estimate the fraction of defective parts within 2% (using the information from today's sample--that is using the result that P=0.0875
To seethe effect of a relatively small error in the estimate of the amountof carbon-14 in a sample being dated, consider this hypotheticalsituation: A bone fragment found in central Illinois in the year 2000 contains 17% of its original carbon-14 content. Estimate the year the animal died.
Find the proportion of N.d. observations with a zz-score between z1= 0.53 and z2= 3.11. Give your answer to four decimal places
To test the claim that the resistance of electric wire can be reduced by more than 0.050 ohm by alloying, 25 values obtained for alloyed wire yielded an average of 0.083 ohm with s = 0.003 ohm, and 25 values obtained for standard wire yielded an average of 0.086 ohm with s = 0.002 ohm. Use 5% level f significance to determine whether the claim has been substantiated. What is the computed value and decision?
A metal company is supplying its product to a manufacturer of washing appliances that has specified that the outside diameter be 0.255 + 0.028 inch. Fifty samples of n = 5 units show that the process is in good statistical control, the diameters are normally distributed, and that μx and σx for the process are 0.260 and 0.02 inch, respectively. a) What percent of the product made by this process is within the specifications? Answer in 2 decimal placesb) If the process variability was reduced by about half (i.e., σx changed to 0.01 inch), what percent of the product made by this process is within the specifications? Answer in 2 decimal places.
The molecular weight of a particular polymer should fall between 750 and 1,035. Thirty samples of this material were analyzed with the results X-bar = 902 and s = 90. Assume that molecular weight is normally distributed.
From a population of 10000 individuals of a certain town what sample size is needed in order to get an accurate result for a certain study a margin of error of a) 2.576 b) 2.24 c) 1.960 Assuming that the estimated proportion of a certain attribute is 50% use yamane’s formula for each margin of error. what is your observation on the number of samples needed as the margin of error increase
1. Find the percentage of N.d. observations with a zz-score between z1= -3.04 and z2 = 2.85. Give your answer to two decimal places. 2. Find the proportion of N.d. observations with a zz-score between z1= -2.95 and z2 = 0.70. Give your answer to four decimal places.
An engineer in charge of a production process that produces a stain for outdoor decks has designed a study to test the research hypothesis that an additive to the stain will produce an increase in the ability of the stain to resist water absorption. The mean absorption rate of the stain without the additive is 40 units. The enginner places that stain with the additive on n=50 pieces of decking material and records y=36.5 and s=13.1. Let μ denote the mean absorption rate of the stain. You must state the null hypothesis and the alternative hypothesis. Use a=0.05
A sample of patients is tested to determine if they have any hospital borne infections. How large of a sample must be collected to be accurate within 0.01 at the 1% level of significance, if the hospital estimates the true proportion of patients infected is 0.045? p̂ = q̂ = E = Z= n=
A veterinary nutritionist developed a diet for overweight dogs. The total volume of food consumed remains the same, but one-half of the dog food is replaced with a low-calorie “filler” such as canned green beans. Six overweight dogs were randomly selected from her practice and were put on this program. Their initial weights were recorded, and they were weighed again after 4 weeks. The results of the experiment are shown below. At α=0.05, can it be concluded that the dogs significantly lost weight?

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Q4) For a controlled operation on a lathe, a particular dimension of 55 + 0.25 mm. Samples of five components were each measured to the nea time intervals and the following readings obtained Sample No 2. 3. 5. 55.062 55.03 55.054 55.028 55.012 54.996 55.02 5 Range 0.26 0.17 0.14 0.21 0.26 027 0.18