Data consistent with summary quantities in the article "Effects of Fast-Food Consumption on Energy Intake and Diet Quality Among Children" on total calorie consumption on a particular day are given for a sample of children who did not eat fast food on that day and for a sample of children who did eat fast food on that day. Assume that it is reasonable to regard these samples as representative of the population of children in the United States. No Fast Food 2325 1912 1003 1724 1463 2047 2137 1975 1846 1771 1759 1821 1642 1500 2663 Fast Food 2532 1767 943 2337 2443 2276 2535 1204 899 1520 884 2216 1820 1259 2126 (a) Use the given Information to estimate the mean calorie intake for children in the United States on a day when no fast food is consumed. (Give the answer to one decimal place.) (b) Use the given information to estimate the mean calorie intake for children in the United States on a day when fast food is consumed. (Give the answer to one decimal place.) (c) Use the given information to estimate the produce estimates of the standard deviations of calorie intake for days when no fast food is consumed and for days when fast food is consumed. (Give the answer to three decimal places.) No Fast Food is consumed S = Fast Food is consumed S=
Data consistent with summary quantities in the article "Effects of Fast-Food Consumption on Energy Intake and Diet Quality Among Children" on total calorie consumption on a particular day are given for a sample of children who did not eat fast food on that day and for a sample of children who did eat fast food on that day. Assume that it is reasonable to regard these samples as representative of the population of children in the United States. No Fast Food 2325 1912 1003 1724 1463 2047 2137 1975 1846 1771 1759 1821 1642 1500 2663 Fast Food 2532 1767 943 2337 2443 2276 2535 1204 899 1520 884 2216 1820 1259 2126 (a) Use the given Information to estimate the mean calorie intake for children in the United States on a day when no fast food is consumed. (Give the answer to one decimal place.) (b) Use the given information to estimate the mean calorie intake for children in the United States on a day when fast food is consumed. (Give the answer to one decimal place.) (c) Use the given information to estimate the produce estimates of the standard deviations of calorie intake for days when no fast food is consumed and for days when fast food is consumed. (Give the answer to three decimal places.) No Fast Food is consumed S = Fast Food is consumed S=
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.6: Applications And The Perron-frobenius Theorem
Problem 22EQ
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Transcribed Image Text:Data consistent with summary quantities in the article "Effects of Fast-Food Consumption on Energy Intake and Diet Quality Among Children" on total calorie consumption on a particular
day are given for a sample of children who did not eat fast food on that day and for a sample of children who did eat fast food on that day. Assume that it is reasonable to regard these
samples as representative of the population of children in the United States.
No Fast Food
2325 1912 1003 1724 1463| 2047 2137| 1975
1846 1771 1759 1821 1642 1500| |2663
Fast Food
2532 1767 943 2337|2443| |2276 2535 1204
899 1520 884 2216 1820 1259|2126
(a) Use the given information to estimate the mean calorie intake for children in the United States on a day when no fast food is consumed. (Give the answer to one decimal
place.)
(b) Use the given information to estimate the mean calorie intake for children in the United States on a day when fast food is consumed. (Give the answer to one decimal place.)
(c) Use the given information to estimate the produce estimates of the standard deviations of calorie intake for days when no fast food is consumed and for days when fast food is
consumed. (Give the answer to three decimal places.)
No Fast Food is consumed
S =
Fast Food is consumed
S =
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