April 2024
Intermediate to advanced
824 pages
36h 45m
English
Content preview from Business Statistics
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650 Business Statistics
17A1. A manufacturing company produces bearings of diameter
10 millimetre. The quality control officer has collected 20
samples of size 8 each by sampling 8 bearings after every
hour. Construct an
x
chart using the data given below.
Sam-
ple 1
Sam-
ple 2
Sam-
ple 3
Sam-
ple 4
Sam-
ple 5
Sam-
ple 6
Sam-
ple 7
10.12 10.12 10.11 10.10 10.10 10.02 10.03
10.10 10.02 10.10 10.08 10.11 10.03 10.11
10.09 9.96 10.09 10.07 10.12 10.06 10.15
10.13 9.95 9.99 9.96 10.13 10.08 10.05
10 10.11 9.98 9.96 9.97 9.99 10.06
10.01 9.98 9.97 9.93 9.98 9.98 10.07
10 10.02 10.03 10.02 10.01 10 10.11
10.11 10.12 9.99 9.98 9.99 10.01 10.02
Sam-
ple 8
Sam-
ple 9 ...