The Producers of the Yugo Automobile Periodically Inspect Samples of 80

Multiple Choice

The producers of the Yugo automobile periodically inspect samples of 80 hoods for dents and scratches. A single flaw in a hood renders it unsuitable for installation in one of their fine automobiles. The results of the last 10 samples are shown. Calculate the standard error, snp, for the np chart.

A) 7.75
B) 0.10
C) 0.31
D) 2.78
E) 2.95