When doing the tunnels for a subway train, two different types of roadheaders are used. The following data are collected concerning the time used for each type to cover the same distance.
The type 2 manufacturers claim that their roadheader is faster than type 1. Do the data substantiate the claim? Use α=0.05. Answer "H₀ is rejected at α=0.05"
or "H₀ is not rejected at α=0.05".

Question

When doing the tunnels for a subway train, two different types of roadheaders are used. The following data are collected concerning the time used for each type to cover the same distance.

The type 2 manufacturers claim that their roadheader is faster than type 1. Do the data substantiate the claim? Use α=0.05. Answer "H₀ is rejected at α=0.05"
or "H₀ is not rejected at α=0.05".

Quizplus · Accepted Answer

The Answer of When doing the tunnels for a subway train, two different types of roadheaders are used. The following data are collected concerning the time used for each type to cover the same distance. The type 2 manufacturers claim that their roadheader is faster than type 1. Do the data substantiate the claim? Use α=0.05. Answer "H₀ is rejected at α=0.05" or "H₀ is not rejected at α=0.05".

When Doing the Tunnels for a Subway Train, Two Different