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# An auto transmission manufacturer receives ball bearings from two different suppliers. The ball bearings must have

a specified diameter of 16.30 mm with a tolerance of plus or minus

±0.1 mm. Recent shipments from the two suppliers had ball bearings with the following diameters. Complete parts​ (a) through​ (c).

Supplier​ A:

16.23

16.23

16.29

16.29

16.31

16.31

16.33

16.33

16.37

16.37

16.41

16.41

16.46

16.46

Supplier​ B:

16.18

16.18

16.21

16.21

16.24

16.24

16.33

16.33

16.39

16.39

16.42

16.42

16.45

16.45

a. Find the mean and standard deviation for each of the two data sets.

Find the mean and standard deviation for the diameters of the ball bearings from Supplier A.

meanequals

=

nothing

sequals

=

nothing

​(Round to the nearest hundredth as​ needed.)

Supplier A: Mean=16.34... View the full answer

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