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Homework 12

Homework 12

Q 1. IN YOUR OWN WORDS, DESCRIBE WHY THE SAMPLING DISTRIBUTION FOR A CORRELATION COEFFICIENT IS SKEWED. 2. USING A P VALUE OF .05 FOR REJECTION OF MY NULL HYPOTHESIS, I FIND THAT THE P VALUE FOR MY TEST STATISTIC IS .0024. WHAT DOES THAT MEAN FOR THE PROBABILITY OF FINDING A TEST STATISTIC AS OR MORE EXTREME THAN MY STATISTIC IN THE DISTRIBUTION UNDER THE NULL HYPOTHESIS? (HYPOTHESIS TESTING PAGE 9) 3. REFERRING TO QUESTION 2, WHY WOULD THAT PROBABILITY LEAD ME TO REJECT THE NULL HYPOTHESIS? 4. WHAT IS THE NULL HYPOTHESIS WHEN YOU ARE TESTING WHETHER YOU HAVE A STATISTICALLY SIGNIFICANT ASSOCIATION?

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1. Because the correlation coefficient cannot take on values greater than 1 or less than -1. 2. .0024