Measures of Variation, statistics homework help
Measures of Variation, statistics homework help
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: |
16.22 |
16.27 |
16.32 |
16.34 |
16.36 |
16.42 |
16.45 |
|
Supplier B: |
16.18 |
16.21 |
16.24 |
16.36 |
16.37 |
16.42 |
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.
mean=
s=
(Round to the nearest hundredth as needed.)