A new industrial oven has just been installed at Piatt Bakery. To develop experience regarding the...

80.2K

Verified Solution

Question

Statistics

A new industrial oven has just been installed at Piatt Bakery.To develop experience regarding the oven temperature, an inspectorreads the temperature at four different places inside the oven eachhalf hour starting at 8:00 a.m. The last reading was at 10:30 a.m.,for a total of six samples. The first reading, taken at 8:00 a.m.,was 337 degrees Fahrenheit. (Only the last two digits are given inthe following table to make the computations easier.)
Reading
Time 1 2 3 4
8:00 a.m. 37 43 44 40
8:30 a.m. 45 42 43 40
9:00 a.m. 43 49 40 44
9:30 a.m. 45 43 47 41
10:00 a.m. 35 48 49 63
10:30 a.m. 45 42 46 49
1. On the basis of this initial experience, determine thecontrol limits for the range. (Round your intermediatecalculations and final answers to 2 decimal places.)
LCL
UCL
2. For each time period, is the temperature out of control?
8:00 A.M.
8:30 A.M.
9:00 A.M.
9:30 A.M.
10:00 A.M.
10:30 A.M.
Thank you!!

Answer & Explanation Solved by verified expert

4.3 Ratings (809 Votes)

Solution Backup Theory Let xij represent the jth measurement at the ith interval i 1 2 k and j 1 2 k The R Chart has Central line CL Rbar1a Lower Control Limit LCL D3Rbar1b Upper See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member

Reading
Time	1	2	3	4
8:00 a.m.			37		43	44	40
8:30 a.m.			45		42	43	40
9:00 a.m.			43		49	40	44
9:30 a.m.			45		43	47	41
10:00 a.m.			35		48	49	63
10:30 a.m.			45		42	46	49