Obtain the population standard deviation, ?, for the given data. Assume that the data represent population data. Round your final answer to one more decimal place than that used for the observations.The test scores of 9 students are listed below.55?83?7679?78?8481?41?78
A. 13.9
B. 14.7
C. 215.9
D. 192.0
Answer: A
Mathematics
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