Question

The maximal tensions of gastrocnemius muscle vary for the frog, depending on whether the nerves were...

The maximal tensions of gastrocnemius muscle vary for the frog, depending on whether the nerves were removed or not. An experiment on nine frogs yielded the following:

With nerves 75 96 32 41 50 39 59 45 30

No nerves 53 67 32 29 35 27 37 30 21

Can it be said that the groups have different mean maximal tension, at 0.05 significance level?

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