10.158 Its a draw, according to two Australian researchers. By age 25, up to 29% of all...

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10.158 “It’s a draw,” according to two Australian researchers. “By age 25, up to 29% of all men and up to 34% of all women have some gray hair, but this difference is so small that it’s considered insignificant.”

Source: “Silver Threads Among the Gold: Who’ll Find Them First, a Man or a Woman?” Family Circle If 1000 men and 1000 women were involved in this research, would the 5% difference mentioned be significant at the 0.01 level? Explain, include details to support your answer.

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