A new industrial oven has just been installed at Piatt Bakery. To develop experience regarding the oven temperature, an inspector reads the temperature at four different places inside the oven each half 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 343 degrees Fahrenheit. (Only the last two digits are given in the following table to make the computations easier.) Reading Time 1 2 3 4 8:00 a.m. 8:30 a.m. 43 44 46 39 48 64 49 35 9:00 a.m. 42 41 44 40 9:30 a.m. 10:00 a.m. 43 37 46 49 45 49 40 41 10:30 a.m. 47 44 36 36 S Click here for the Excel Data File a. On the basis of this initial experience, determine the control limits for the range. (Leave no cells blank - be certain to enter "O" wherever required. Round your intermediate calculations and final answers to 2 decimal places.) LCL UCL b. 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.
A new industrial oven has just been installed at Piatt Bakery. To develop experience regarding the oven temperature, an inspector reads the temperature at four different places inside the oven each half 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 343 degrees Fahrenheit. (Only the last two digits are given in the following table to make the computations easier.) Reading Time 1 2 3 4 8:00 a.m. 8:30 a.m. 43 44 46 39 48 64 49 35 9:00 a.m. 42 41 44 40 9:30 a.m. 10:00 a.m. 43 37 46 49 45 49 40 41 10:30 a.m. 47 44 36 36 S Click here for the Excel Data File a. On the basis of this initial experience, determine the control limits for the range. (Leave no cells blank - be certain to enter "O" wherever required. Round your intermediate calculations and final answers to 2 decimal places.) LCL UCL b. 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.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.1: Stem-and-leaf Plots And Histograms
Problem 12E
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Transcribed Image Text:A new industrial oven has just been installed at Piatt Bakery. To develop experience regarding the oven temperature, an inspector
reads the temperature at four different places inside the oven each half 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 343 degrees Fahrenheit. (Only the last two digits are given in the
following table to make the computations easier.)
Reading
Time
1
3
4
8:00 a.m.
43
44
46
39
8:30 a.m.
48
64
49
35
9:00 a.m.
42
41
44
40
9:30 a.m.
43
37
46
49
10:00 a.m.
45
49
40
41
10:30 a.m.
47
44
36
36
I Click here for the Excel Data File
a. On the basis of this initial experience, determine the control limits for the range. (Leave no cells blank - be certain to enter "0"
wherever required. Round your intermediate calculations and final answers to 2 decimal places.)
LCL
UCL
b. 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
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