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The following numbers are the distribution of standardized (Z) scores for number of coffee
beverages consumed per
day by 20 college students. It was obtained by first getting the actual number of beverages
consumed among 20
students, then calculating the standard deviation of that original distribution and finally
converting each original score
into a Z score.
What is the mean and standard deviation of this distribution of Z scores?
-0.600 1.040 -0.600 -0.055
-0.600 -1.150 -0.055 -1.150
-0.600 -0.600 -0.055 0.488
-0.600 -0.600 3.220 -0.055
-0.055 1.040 1.040 -0.055

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  • 1. The following numbers are the distribution of standardized (Z) scores for number of coffee beverages consumed per day by 20 college students. It was obtained by first getting the actual number of beverages consumed among 20 students, then calculating the standard deviation of that original distribution and finally converting each original score into a Z score. What is the mean and standard deviation of this distribution of Z scores? -0.600 1.040 -0.600 -0.055 -0.600 -1.150 -0.055 -1.150 -0.600 -0.600 -0.055 0.488 -0.600 -0.600 3.220 -0.055 -0.055 1.040 1.040 -0.055