The ratio of girls to boys in the six grade class is seven to six. if there are 84 girls, how many boys are in the six grade

a

Step-by-step explanation:

Maybe: the SRS condition is OK but we need to look at the data to check Normality.

The normality inference is important in that the null compares the difference in the sample means to the difference that one would expect by random variation, or by chance, alone meaning that the sample is assumed to have being from a normal distribution with a mean and standards deviation.