High School

As of September 30, 2011, the eamings per share, EPS, offive firms in the biotechnology industry are as follows: 1.53 2.29 2.07 1.69 0.07 The sample mean and the sample standard deviation are closest to Sample Sample Standard Mean Deviation A. 1.53 0.76 B. 1.53 0.87 C. 1.69 0.76 D. 1.69 0.87 O Option A O Option B O Option C O Option D

Answer :

Final answer:

To find the sample mean and sample standard deviation, add up all the values and divide by the number of values for the mean, and subtract the mean from each value, square the result, and find the average of the squared differences for the standard deviation.

Explanation:

To find the sample mean and sample standard deviation of the earnings per share (EPS) for the five firms, we add up all the values and divide by the number of values to find the mean.

Then, we subtract the mean from each value, square the result, and find the average of those squared differences to find the standard deviation.

For the given EPS values, the sample mean is 1.53 and the sample standard deviation is 0.87.

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