Suppose the weights of newborn baby boys have a distribution with a mean of 8.0 pounds and a standard deviation of 1.5 pounds. Nathan is a newborn baby boy. His weight has a z-score of 0.25. Which of the following gives the best interpretation of this z-score? (A) About 25% of newborn baby boys weigh less than Nathan. (B) About 25% of newborn baby boys weigh more than Nathan. (C) Nathan's weight is 0.25 pounds above average. (D) Nathan's weight is 0.25 standard deviations above average. (E) Nathan's weight is 0.25 standard deviations below average.

MATLAB: An Introduction with Applications
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Suppose the weights of newborn baby boys have a distribution with a mean of 8.0 pounds and a
standard deviation of 1.5 pounds. Nathan is a newborn baby boy. His weight has a z-score of 0.25.
Which of the following gives the best interpretation of this z-score?
(A) About 25% of newborn baby boys weigh less than Nathan.
(B) About 25% of newborn baby boys weigh more than Nathan.
(C) Nathan's weight is 0.25 pounds above average.
(D) Nathan's weight is 0.25 standard deviations above average.
(E) Nathan's weight is 0.25 standard deviations below average.
Transcribed Image Text:Suppose the weights of newborn baby boys have a distribution with a mean of 8.0 pounds and a standard deviation of 1.5 pounds. Nathan is a newborn baby boy. His weight has a z-score of 0.25. Which of the following gives the best interpretation of this z-score? (A) About 25% of newborn baby boys weigh less than Nathan. (B) About 25% of newborn baby boys weigh more than Nathan. (C) Nathan's weight is 0.25 pounds above average. (D) Nathan's weight is 0.25 standard deviations above average. (E) Nathan's weight is 0.25 standard deviations below average.
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