Below are tabulated a number of Rockwell G hardness values that were measured on a single steel specimen. Compute (a) the average hardness value and (b) the standard deviation hardness value. 50.5 48.8 48.9 47.1 46.9 46.5 46.6 47.7 48.4 49.7 50.1 50.4 (a) (b)

Below are tabulated a number of Rockwell G hardness values that were measured on a single steel specimen. Compute (a) the average hardness value and (b) the standard deviation hardness value. 50.5 48.8 48.9 47.1 46.9 46.5 46.6 47.7 48.4 49.7 50.1 50.4 (a) (b)

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter29: Tolerance, Clearance, And Interference

Section: Chapter Questions

Problem 16A: Spacers are manufactured to the mean dimension and tolerance shown in Figure 29-12. An inspector...

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

Below are tabulated a number of Rockwell G hardness values that were measured on a single steel specimen. Compute (a) the average hardness value and (b) the standard deviation hardness value.

50.5	48.8	48.9
47.1	46.9	46.5
46.6	47.7	48.4
49.7	50.1	50.4

(a)

(b)

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