Question 6: DO NOT USE EXCEL The diameters of 15 ball bearings manufactured in a precision engineering facility are measured (in millimeters) with the following results:
10.1, 10.3, 10.2, 10.1,10.3,10.1,10.4,10.2,10.2,10.3,10.2,10.1,10.3,
10.1,
10.2
a- Calculate the Sample Mean and Sample Standard Deviation bConstruct a
95%CI
for
\mu
, the mean diameter. DO NOT USE EXCEL