Question

Use 2 scores to compare the given values Based on sample data, newborn males have weights with a mean of 32125 g and a standard deviation of 755.5 9. Newborn females have weights with a mean of 3094.1 g and a standard deviation of 5946 g Who has the weight that is more extreme relative to the group from which they came a male who weighs 1600 g or a female who weighs 1600 g? and the z score for the female is z-. the has the weight that is more extreme. E Since the z score for the male is z (Round to two decimal places) male for female

Answer 1

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Lets calculate the Z score for both male and female using the formula:

Z = (X-Mu)/Stdev

Lets use the parameters given to us for Males and Females.

A female of 1600 g weight will have a Z -score of :

Z-score = (X-Mean)/Stdev = (1600-3094.1)/594.6 = -2.51

A male of 1600 g weight will have a Z -score of :

Z-score = (X-Mean)/Stdev = (1600-3212.5)/755.5 = -2.13

The more extreme score is the score of -2.51 , which is that of females.

Answer: Since the z score for the male is z = -2.51 and the z score for the female is z = -2.13 , the female has the weight that is more extreme.