Mathematics, 22.11.2019 01:31 smusisca53
Heavy children: are children heavier now than they were in the past? the national health and nutrition examination survey (nhanes) taken between 1999 and 2002 reported that the mean weight of six-year-old girls in the united states was 49.3 pounds. another nhanes survey, published in 2008, reported that a sample of 190 six-year-old girls weighed between 2003 and 2006 had an average weight of 46 pounds. assume the population standard deviation is =σ17 pounds. can you conclude that the mean weight of six-year-old girls in 2006 is different from what it was in 2002? use the =α0.10 level of significance and the critical value method.
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Mathematics, 21.06.2019 16:00
This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?
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Mathematics, 21.06.2019 17:00
The table below shows the height of a ball x seconds after being kicked. what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x) = x2 + x + 0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds? feet
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Mathematics, 21.06.2019 17:00
Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis
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Mathematics, 21.06.2019 18:30
Three times the sum of a number and seven is negative thirty-six. what is the number?
Answers: 2
Heavy children: are children heavier now than they were in the past? the national health and nutri...
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