Question: A manufacturer of dustless chalk instituted a quality control program to monitor chalk density. The sample standard deviations of densities for 24 different subgroups, each

A manufacturer of dustless chalk instituted a quality control program to monitor chalk density. The sample standard deviations of densities for 24 different subgroups, each consisting of n = 8 chalk specimens, were as follows:
.204 .315 .096 .184 .230 .212 .322 .287
.145 .211 .053 .145 .272 .351 .159 .214
.388 .187 .150 .229 .276 .118 .091 .056
Calculate limits for an S chart, construct the chart, and check for out-of-control points. If there is an out-ofcontrol point, delete it and repeat the process

Step by Step Solution

★★★★★

3.37 Rating (172 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

s i 4895 and 4895 24 2040 with a5 940 the lower ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

1172-M-S-L-R(9330).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

The Nori & Leets Co. is one of the major producers of steel in its part of the world. It is located in the city of Steel-town and is the only large employer there. Steel-town has grown and prospered...

A factory wanted to institute a quality control program. In theory, the diameter of a certain plastic part to be used in build-it-yourself furniture should be normally distributed with a mean of 15...

A manufacturer of bolts has a quality- control policy that requires it to destroy any bolts that are more than 2 standard deviations from the mean. The quality-control engineer knows that the bolts...

A quality control manager at the Don Mills Electronics Company knows that his company has been making surge protectors with a 10% rate of defective units. He has instituted several measures designed...

please solve below:-- Criminologists have long debated whether there is a relationship between weather conditions and the incidence of violent crime. The author of the article "Is There a Season for...

Statistics and Probability A manufacturer of dustless chalk instituted a quality control program to monitor chalk density. The sample standard deviations of densities for 24 different subgroups, each...

HELP PLEASE A manufacturer of dustless chalk Instituted a quality control program to monitor chalk density. The sample standard deviations of densities for 24 different subgroups, each consisting of...

A manufacturer of dustless chalk instituted a quality control program to monitor chalk density. The sample standard deviations of densities for 24 different subgroups, each consisting of chake...

Please help me :- Refer to Exercise 1 and suppose the ten most recent values of the quality statistic are .0493, 0485, .0490, 0503, .0492, .0486, .0495, 0494, .0493, and .0488. Construct the relevant...

Should more be done now? If so, what is feasible?

From the following information for BlueInks Corporation, compute the rate on return of assets. Net income after tax $30,548 Taxes $6,785 Interest expense $3,545 Total assets at beginning of the year...

Without first obtaining the required morriage license, fonly and Joseph Carpbetts weve morried in a religidus ceremony. Theregfes, shey Aved nogether as hotiband and wife. They raised four children,...

(Identify Temporary or Permanent Differences) Listed below are items that are commonly accounted for differently for financial reporting purposes than they are for tax purposes. For each item below,...

The Bozeman Inn is trying to determine its break-even point. The inn has 75 rooms that are rented at $50 a night. Operating costs are as follows. Salaries ..........$8,500 per month Utilities...

Maese Industries Inc. has warrants outstanding that permit the holders to purchase 1 share of stock per warrant at a price of $25. a. Calculate the exercise value of the firms warrants if the common...

Multiple Choice. Choose the best answer. 1. Which of the following correctly states the role of budgeting in proprietary funds? a. Proprietary fund managers should ensure that a valid appropriation...

Central Duplicating Internal Service Fund. As of September 30, 2010, the Central Duplicating Fund of the Town of Fredericksburg had the following post-closing trial balance: During the fiscal year...

What agile tool capability do you think is most important in a typical agile project? Why?

=+57. The deviations from nominal transformation in Exercise 21 can be used in so-called short-run processes. Even though small numbers of different-size parts are created by such processes, the...

=+is common to all the parts. For example, consider a milling process in which metal bars of various sizes are machined to specified lengths. The size of the bars submitted to the machining process...

=+hour to hour, so there may be insufficient data to create control charts on any particular bar size. However, by subtracting the nominal value from each batch of bars, the resulting subgroups of...

Orange Corporation has just made a French Euro bid on a project located in France. It won't find out for 90 days whether it has won the contract. There will be a 15% signing bonus payable to the...

Consider the following table: Stock Fund Bond Fund Scenario Probability Rate of Return Rate of Return Severe recession 0.10 34% 10% Mild recession 0.20 18% 6% Normal growth 0.45 14% 7% Boom 0.25 24%...