2 The percent of the l ut e observations are less than or equal to th the mean v

Question

2 The percent of the l ut e observations are less than or equal to th the mean value such that k any starti 1.. Als the low divide data sets into fourths. Is the range of the middle 50% of the 4. The observations in a data set. with an in2014 Applying the Concepts W5 Birth Weights Babies born after a gestation period of 32-35 weeks have a mean weight of 2600 grams and a standard deviation of 660 grams. Babies born after a gestation period of 40 weeks have a mean weight of 3500 grams and a standard Ameri standa relativ 10. B recor 1941 devi Jose deviation of 470 grams. Suppose a 34-week gestation period baby a b weighs 2400 grams and a 40-week gestation period baby weighs e 3300 grams. What is the z-score for the 34-week gestation period ha baby? What is the z score for the 40-week gestation period baby? Which baby weighs less relative to the gestation period? 6. Birth Weights Babies born after a gestation period of I tondard

Explanation / Answer

Babies born after gestation period of 40weeks

mean= 3500 grams and standard deviation = 470 grams

Zscore for X =3300 grams

Z= X-mu/Sigma

= 3300-3500/470

= -200/470

Z= -0.4255

34 week gestation period baby X= 2400 grams

Z= X-mu/sigma

Z= 2400-2600/660

Z= -200/660

Z=-0.3030

40 WEEKS BABY WEIGHS LESS RELATIVE TO GESTATION PERIOD.

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