Physics
I know that when objects are connected and a force is exerted on the connected objects, we treat them as a system with a single acceleration. I was just wondering if objects were piled on top of each other they would still be connected. if a horizontal force was exerted on one...
Regression
R square is the coeffecient of determination. Is Multiple R the coefficient of correlation?
Math
is coefficient of correlation and coefficient of determination the same thing? or different?
Math
thnx
Math
is coefficient of correlation and coefficient of determination the same thing? or different?
stats math
(6.41 − 5.20) ± 2.26(Sqrt.(25/10 + 225/15))
stats math
Popular wisdom is that eating pre-sweetened cereal tends to increase the number of dental caries (cavities) in children. A sample of children was (with parental consent) entered into a study and followed for several years. Each child was classified as a sweetened-cereal lover ...
Stats- Two-tailed test
A researcher is conducting a matched-pairs study. She gathers data on each pair in the study resulting in the table below. Assume that the data are normally distributed in the population. Pair Group1 Group2 1 10 12 2 8 9 3 11 11 4 8 10 5 9 12 a) At 10% level of significance an...
Children's Literacy
Thanks^_^
Children's Literacy
thanks ^_^
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