In equivalent ratios, if the numerator of the first ratio is greater than the denominator of first ratio, is the numerator of the second ratio greater than denominator?

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The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed