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1. A population consists of the following six scores:
9 4 6 7 10 6
a. Draw a frequency distribution graph (Do not forget to label what each axis represents) (1).
b. Compute μ and σ for the population and locate them in the above graph (3).
c. Transform each of the scores above into a z-score (3).
d. Draw a frequency distribution graph of the z-scores you computed. Did the shape of the distribution of the z-score change from the original shape of the distribution of original scores? (.5)
e. Compute the mean and standard deviation of these z-scores by hand (3).
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