The standard deviation of the population of adult female spine lengths is .92 inches. A random sample of 40 women was selected and the mean spine length was found to be 26 inches.
a. Calculate the standard error of the mean.
b. Use the z test to determine whether this sample could be representative of a the general population of women whose mean spine length is known to be 24 inches.

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The Answer of The standard deviation of the population of adult female spine lengths is .92 inches. A random sample of 40 women was selected and the mean spine length was found to be 26 inches.
a. Calculate the standard error of the mean.
b. Use the z test to determine whether this sample could be representative of a the general population of women whose mean spine length is known to be 24 inches.

The Standard Deviation of the Population of Adult Female Spine