A small dataset has 10 numbers: 4, 2, 1, 0, 0, 5, 6, 7, 7, and 8.
Question:
A small dataset has 10 numbers: –4, –2, –1, 0, 0, 5, 6, 7, 7, and 8.
a. Find the mean and standard deviation for this dataset. When calculating the standard deviation, use n – 1 in the formula.
b. Convert all the scores to z-scores.
c. Does the rank order of the subjects change when you convert their scores to z-scores?
d. The skewness value for the original data is –0.11 and the kurtosis value is 1.40. What would the skewness value and kurtosis value be for the z-scores?
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Solution a The mean is 0 the standard deviation 402 and the n 1 9 b Mean 0 Standard Deviation 749 Sk...View the full answer
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Related Book For
Statistics For The Social Sciences A General Linear Model Approach
ISBN: 9781107576971
1st Edition
Authors: Russell T. Warne
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