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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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.
Transcribed Image Text: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 340 degrees Fahrenheit. (Only the last two digits are given in the
following table to make the computations easier.)
Time
8:00 a.m.
8:30 a.m.
9:00 a.m.
9:30 a.m.
10:00 a.m.
10:30 a.m.
1
40
44
41
39
37
39
Reading
2
50
42
45
39
42
40
3
55
38
47
41
46
39
Click here for the Excel Data File
4
39
38
43
41
41
40
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 340 degrees Fahrenheit. (Only the last two digits are given in the following table to make the computations easier.) Time 8:00 a.m. 8:30 a.m. 9:00 a.m. 9:30 a.m. 10:00 a.m. 10:30 a.m. 1 40 44 41 39 37 39 Reading 2 50 42 45 39 42 40 3 55 38 47 41 46 39 Click here for the Excel Data File 4 39 38 43 41 41 40
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