Let's say that a researcher administers a new type of vitamin supplement to a sample of 30 rats. thirty other rats didn't receive the supplement. later, he compares the weights of the supplement group with the non-supplement control group. in this case the rats' weights are an example of which type of data?

Having a child is expensive, where you need to buy them food, diapers, a chair clothes and more, they also take stance in the house and a lot of caring. But to look on the bright side, baby food isn’t expensive, you may get a lot but in the end of the day it won’t make a big of a difference, because the food prices aren’t as big as surely food, baby food is made out of small portion of ingredients, and imagine host someone eating little more than usual, it would feel like that.