Identify the sample and sample statistic - For 186 randomly selected babies, the average (mean) of...

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Identify the sample and sample statistic - For 186 randomlyselected babies, the average (mean) of their births weights is3,103 grams (based on data from “Cognitive Outcomes of PreschoolChildren with Prenatal Cocaine Exposure.” By Singer et al., Journalof the American Association, Vol. 291, No 20).
A) Sample-preschool children, statistic birth weights
B) Sample-186 babies, statistic 3,103 grams
C) Sample 186 babies, statistic Cocaine Exposure
What are the absolute and relative errors? – The bakery menuclaims that there are 12 doughnuts in a bag, but the baker alwaysputs 13 doughnuts (the true value) in each bag.
A) Absolute 1 donut, relative 7.7%
B) Absolute -1 donut, relative -7.7%
C) No answer text provided.
What are the absolute and relative errors? –The officialdistance for a marathon is 26 miles 385 yards or 26.21875 miles,but the organizers of a marathon map a course that is actually26.34567 in length.
A)Absolute 26.21875 miles, relative .12692 miles
B) Absolute .12692 miles , Relative 0.5%
C) Absolute 26.34567 miles, Relative 12.6%

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3.6 Ratings (255 Votes)

1the correct option beB Sample186babies statistic 3103 grams interpretationa sample refers to a set of observations whichare drawn from a population here the sample 186 babies areselectedPopulation parameters are values that See Answer

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