Test the hypothesis of equal means with a type i error

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For 49 pairs of sisters, a researcher wanted to know whether the older sisters differ, on average, from the younger sisters, based on a test of social anxiety. It was found that D¯ = 3 and sD = 4.

Test the hypothesis of equal means with a Type I error probability of .05. Discuss the interpretation of the result.

Reference no: EM131400497

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