February 23, 2017

Homework Help: Science

Posted by Anonymous on Friday, May 23, 2014 at 8:27pm.

Five groups of rats are fed identical diets except for the amount of vitamin A that they receive. Each group gets a different amount. After three weeks on the diet, the rats are weighed to see if the amount of vitamin A received has affected their weight.

Independent Variable: {diet?}
Dependent Variable: {weight?}
Hypothesis: {If the diet of the rats are changed then the weight will decrease because the rat is not eating properly?}

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