Find the sample averages and standard deviations for the engine performance data in Figure 13.1. Figure 13.1
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Find the sample averages and standard deviations for the engine performance data in Figure 13.1.
Figure 13.1
Engine age data.
Transcribed Image Text:
Engine age <5 years 5-10 years >10 years Count 25 40 35 Defective 259
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