Easy# Children and Adult Weights

SATMAT-JSA1VX

The mean of the weights of $ 10 $ children is $ 70 $ pounds, and the mean of the weights of $ 10 $ adults is $ 150 $ pounds. The standard deviation of the adults’ weights is $ 3 $ times greater than the standard deviation of the children’s weights. Which of the following statements is most likely to be true? (No Calculator)