Supermodel Weights Use a 0.01 significance level to test the claim that weights of female supermodels vary less than the weights of women in general. The standard deviation of weights of the population of women is 29 lb. Listed below are the weights (in pounds) of nine randomly selected supermodels.

125 (Taylor) 119 (Auermann) 128 (Schiffer) 128 (MacPherson)

119 (Turlington) 127 (Hall) 105 (Moss) 123 (Mazza)

115 (Hume)