The debt/equity ratio is computed by dividing total debt by total assets. It is used to measure how much leverage a firm uses. A financial analyst feels that the debt/equity ratio in industry A is higher than that in industry B. He randomly selected 20 firms from industries A and B, obtaining the following numbers.

Do a 5 percent test to decide whether industry A’s debt/equity ratio is higher.
Assume the data do not follow a normal distribution.

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A .76 .92 .54 .74 .75 B .23 .78 .76 .32 .13 A .78 .34 .73 .54 .43 B .67 23 .24 .34 .22