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Statistical hypothesis

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Is there a significant difference between the lengths of front and rear legs of a certain breed of horses. The results of the measurements in inches made in 10 of these animals are:

No. of copies 1 2 3 4 5 6 7 8 9 10
Long. Foreleg 138 136 147 139 143 141 143 145 136 146
Long. Hind leg 142 140 144 144 142 146 149 150 142 148

Perform a hypothesis test, assuming that the data come from a normal distribution.

What were the statistical hypothesis? What statistical test did you use and why? What is the rejection region and critical values? What is the p-value? What decision did you take?

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