Find the Mean of the Data Summarized in the Given

question 122

Multiple Choice

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. $$\begin{array} { l | r } \text { Score } & \text { Students } \\\hline 50 - 59 & 7 \\60 - 69 & 5 \\70 - 79 & 10 \\80 - 89 & 6 \\90 - 99 & 12\end{array}$$

• A)74.5
• B)73.4
• C)69.6
• D)77.3

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