# Test of hypothesis using dependent samples

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Five heart patients were placed on a special diet to lose weight. Their weights (in kilograms) were recorded before the diet and one month after the diet. The following data was obtained.

Patient Weight Before Weight After

1 62 59

2 65 63

3 88 78

4 76 75

5 68 65

Do these data suggest that the special diet is effective in reducing weights?

Formulate and test the appropriate hypotheses at an α= 0.05 level of significance.

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##### Solution Summary

The solution tests the hypothesis that the special diet is effective in reducing weights.

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