# Question

Refer to Exercise 6.9.

a. Based on the values of the sample mean and sample standard deviation for magnesium, provide a reason why the distribution of magnesium does not have a normal distribution.

b. Are the inferences given in Exercise 6.9 valid based on your answer in part (a)?

a. Based on the values of the sample mean and sample standard deviation for magnesium, provide a reason why the distribution of magnesium does not have a normal distribution.

b. Are the inferences given in Exercise 6.9 valid based on your answer in part (a)?

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