Mathematics

Mathematics, 10.07.2019 14:30, cportillo891

In elementary school (grades 1 to 6), there is a strong association between a child’s height and the child’s reading ability. taller children tend to be able to read at a higher level. however, there is a very significant confounding variable that is influencing both height and reading ability. what is it?

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Social Studies, 02.08.2019 03:50, blueberrybaby1

In elementary school (grades 1 to 6), there is a strong association between a child's height and the child's reading ability. taller children tend to be able to read at a higher level. however, there is a very significant confounding variable that is influencing both height and reading ability. what is it?

Answers: 1

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Mathematics, 31.08.2019 09:30, BaileyElizabethRay

Students researching backpack weights gathered data from 45 elementary school children in the 3rd and 5th grades. the variable is “percent of body weight carried in the school backpack.” so a child who weighs 60 pounds and carries 9 pounds has a variable value of 15% (9 ÷ 60 = 0.15 = 15%). the american chiropractic association (aca) recommends that children carry no more than 10% of their body weight. prompt when we analyze backpack weight as a percentage of body weight, how do 3rd and 5th graders compare? are children in this study following the aca recommendation?

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Mathematics, 02.09.2019 00:20, Honeyswish7730

Students researching backpack weights gathered data from 45 elementary school children in the 3rd and 5th grades. the variable is “percent of body weight carried in the school backpack.” so a child who weighs 60 pounds and carries 9 pounds has a variable value of 15% (9 ÷ 60 = 0.15 = 15%). the american chiropractic association (aca) recommends that children carry no more than 10% of their body weight.

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Social Studies, 16.09.2019 23:20, taleiayarbough9783

Aresearcher found that self-esteem in school children is positively correlated with grades. in other words, the higher the child’s self-esteem, the higher the child’s grades tend to be. further research indicated that a third variable may cause this correlation. which of the following is most likely to be the third variable in this example?

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