Read the following description of a data set.
Researchers at a cognitive psychology lab are studying how children develop their color vocabulary. In a recent study, the researchers showed children of various ages different colored objects and asked them to name the colors.
They recorded each child's age (in months), x, and the number of colors the child could name, y.
The least squares regression line of this data set is:
y=0.141x–2.661
Complete the following sentence:
If a child were one month older, the least squares regression line predicts that he or she would be able to name
additional colors.
1 answer
If a child were one month older, the least squares regression line predicts that he or she would be able to name 0.141 additional colors.
1 answer