An advertisement for a popular weight-loss clinic suggests that participants in its new diet program lose,on average,more than 10 pounds.A consumer activist decides to test the authenticity of the claim.She follows the progress of 18 women who recently joined the weight-reduction program.She calculates the mean weight loss of these participants as 10.8 pounds with a standard deviation of 2.4 pounds.At the 5% significance level,the critical value would be ______.
A) 1.960
B) 1.645
C) 2.030
D) 1.740

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The Answer of An advertisement for a popular weight-loss clinic suggests that participants in its new diet program lose,on average,more than 10 pounds.A consumer activist decides to test the authenticity of the claim.She follows the progress of 18 women who recently joined the weight-reduction program.She calculates the mean weight loss of these participants as 10.8 pounds with a standard deviation of 2.4 pounds.At the 5% significance level,the critical value would be ______.
A) 1.960
B) 1.645
C) 2.030
D) 1.740

An Advertisement for a Popular Weight-Loss Clinic Suggests That Participants