Question: The UCL and LCL for an X - bar chart are 5 0 and 4 0 respectively. The central line is 4 5 , and

The UCL and LCL for an X-bar chart are 50 and 40 respectively. The central line is 45, and the process variability is considered to be in statistical control. The results of the next six sample means are 48,43,47,41,54, and 46. What should you do?
Explore the assignable causes because there is a run.
Nothing; the process is in control.
Explore the assignable causes because at least one of the sample means is outside the control limits.
Explore the assignable causes because there is a trend.
The UCL and LCL for an X-bar chart are 50 and

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

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

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related General Management Questions!

Q:

Zolo is a national retail clothing store with locations across the United States. As an accounting analyst at Zolo, you have been given an Excel spreadsheet with more than 70,000 records. The...

Q:

Resistors for electronic circuits are manufactured on a high-speed automated machine. The machine is set up to produce a large run of resistors of 1,000 ohms each. Use Exhibit 10.13. To set up the...

Q:

Problem 10-29 (Algo) The following table contains the measurements of the key length dimension from a fuel injector. These samples of size five were taken at one-hour intervals. Use three-sigma...

Q:

A) Calculate the mean and range for the above samples B) Determine X bar and R bar C) Determine the UCL and LCL for a X bar chart. D) Determine the UCL and LCL for R-chart E) What comments can you...

Q:

QUESTION 5 [20 Marks] (a) Table 3 shows the data for the Loan application and errors. Table 3 n np n np Subgroup number 1 2 3 4 5 6 7 8 9 10 500 500 500 500 500 500 500 500 500 500 20 21 19 15 18 20...

Q:

Good Afternoon! The answer... is not what I need. I need calculations, simple answers. can you help me with it? Develop an Xbar and Rbar charts and determine if they are in control. Sample A B C D 1...

Q:

Develop an Xbar and Rbar charts and determine if they are in control. Sample A B C D 1 142 153 124 130 2 124 156 145 157 3 124 137 130 128 4 158 156 123 127 5 148 128 140 138 6 149 140 133 159 7 136...

Q:

show calculation for UCL and LCL A quality inspector took five samples, each with four observations (n = 4), of the length of time for glue to dry. All values are in minutes. Use this information to...

Q:

Question 1 (1 point) You are working at an Automotive company that is performing SPC. The company samples every fifteen minutes selecting 4 parts in each sample. Given the X- BARBAR of [X] and the...

Q:

Please use the Answer sheet A quality inspector took five samples, each with four observations (n = 4), of the length of time for glue to dry. All values are in minutes. Use this information to...

Q:

The UCL and LCL for an x overbar chart are 50 and 40 respectively. The central line is 45, and the process variability is considered to be in statistical control. The results of the next six sample...

Q:

A chemist wants to prepare 0.50 M HCl. Commercial hydrochloric acid is 12.4 M. How many milliliters of the commercial acid does the chemist require to make up 1.50 L of the dilute acid?

Q:

Robichau Inc. reported the following results from last year's operations: Sales 6.300.000 variable expenses 4.930.000 contribution margin 1.370.000 fixed costs 803.000 Net operating income 567.000...

Q:

Calculating NPV (LO5, 6, 7) Ridgetown News Inc. is considering making an offer to purchase Orford Publications. The vice president of finance has collected the following information: Ridgetown also...

Q:

10.2 Write a program to read through the mbox-short.txt and figure out the distribution by hour of the day for each of the messages. You can pull the hour out from the 'From ' line by finding the...