The breaking strength of hockey stick shafts m de of two different grphite-Kevl r composites yield the
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Find a 98% confidence interval for the difference between the mean breaking strengths of hockey stick hafts made of the two materials?
Transcribed Image Text:
Composite A: 487.3 444.5 467.7 456.3 449.7 459.2 478.9 461.5 477.2 Composite B: 488.5 501.2 475.3 467.2 462.5 499.7 470.0 469.5 481.5 485.2 509.3 479.3 478.3 491.5
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X 4827857 s X 13942125 n X 14 Y 4647000 s Y 1423789 n ...View the full answer
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