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Find the Mean of the Data Summarized in the Given

Question 122

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Find the mean of the data summarized in the given frequency distribution.
-The test scores of 40 students are summarized in the frequency distribution below. Find the mean score.  Score  Students 505976069570791080896909912\begin{array} { l | r } \text { Score } & \text { Students } \\\hline 50 - 59 & 7 \\60 - 69 & 5 \\70 - 79 & 10 \\80 - 89 & 6 \\90 - 99 & 12\end{array}


A) 74.5
B) 73.4
C) 69.6
D) 77.3

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