### X chart and the R chart

= - (Show all work) if X = 2.0144, R = 0.0972, and 25 subgroups of size 5 - a. Find the UCL and the LCL for the X chart. b. Find the UCL and the LCL for the R - chart.

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= - (Show all work) if X = 2.0144, R = 0.0972, and 25 subgroups of size 5 - a. Find the UCL and the LCL for the X chart. b. Find the UCL and the LCL for the R - chart.

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1. A large mass of data can best be summarized pictorially by means of: a. the range b. a histogram c. the frequency table d. mean and standard deviation 2. For a symmetric distribution, the mean and median are a. the same b. always different c. possi

1. The mean price of 5 items is $7.00. The prices of the first four items are $6.50, $8.00, $5.50 and $6.00. How much does the fifth item cost? 2. The range of a set of numbers is 1,362. The greatest number is 2,172. What is the least number? 3. The mean of a set of 7 numbers is 13. What is the sum of the numbers? 4.

Two workers on the same job show the following results over a long period of time. Worker Worker A B --------------------------------------------------------------------------------

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Please see the attached file. What Quantitative method / technique is used to determine the attached? Using the attached data, what are the limits for xbar- and R-charts, is this process in control?

What is the weighted mean profit per delivery - a bottling company offers three kinds of delivery service - instant, same day and within 5 days. The profit per delivery varies according to the kind of delivery. The profit for an instant delivery is less than the other kinds because the driver has to go out directly to a grocery

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The data in DJIA.XLS (CD-> browse->Excel_Data_Files) represent the closing value of the Dow Jones Industrial Average (DJIA) over the 24-year period 1979 through 2002. See Problem 15.17. Using EXCEL or PHStat2, answer the following: 1. Find a linear trend equation to these data. a) Y^ = -934.2717 + 452.5928X b) Y^ = 934.2717

Comparing Variations: 1. For the following exercise, complete the following: Find the mean, median, and range for each of the two data sets. Find the standard deviation using the rule of thumb for each of the data sets. Compare the two sets and describe what you discover. The following data sets shows t

What is meant by "central tendency" of data? Use 8 hypothetical data values that might be observed at your workplace and calculate the significant measures of central tendency (mean, median, and standard deviation).

Why is research conducted by business organizations? Explain the differences between qualitative research and quantitative research.

Statistical Techniques in Business and Economics Problem 88 (Ch3) Refer to the Baseball 2005 data, which reports information on the 30 major league teams for the 2005 baseball season. Select the variable team salary and find the mean, median, and the standard deviation. Select the variable that refers to the age the stad

For the data in the following matrix: no treatment treatment overall m=4 male m=5 m=3 female m=9 m=13 overall m=11 -------------------------------------------------------------------- overall m=7 overall m=8 a) describe

Nine college juniors are aspiring to become members of the hallowed Cardinal Club at LSU. Successful initiation involves accurately performing a series of rituals involving ordered mental and physical tasks, which include sips of beer at certain points, after initially having consumed six beers. Every time a participant botche

TCO 2) The heights of 10 sixth graders are listed in inches: {53, 61, 54, 60, 58, 62, 55, 58, 59, 56}. (a) Find the mean, median, mode, sample variance, and range. (b) Do you think that this sample might have come from a normal population? Why or why not?

The following data represent the results from an independent-measures study comparing three treatments. a) compare ss for the 3 set treatment means.(use the three means as a set of n=3 score and compare ss) b) using the result from part a compute n(ss means) c) now compute ss between with the computational formula using the

Please help with the following problem involving analysis of data. Provide at least 400 words in this posting. No references are requested. What are the four levels of data? Indicate them along with a definition of each in order from lowest to highest.