Solved

For the Following Frequency Distribution of Exam Scores, How Many xf90−94385−89480−84575−79270−741\begin{array}{cc}x & f \\\hline 90-94 & 3 \\85-89 & 4 \\80-84 & 5 \\75-79 & 2 \\70-74 & 1\end{array}

Question 2

Multiple Choice

For the following frequency distribution of exam scores, how many students had scores lower than X = 80? xf90−94385−89480−84575−79270−741\begin{array}{cc}x & f \\\hline 90-94 & 3 \\85-89 & 4 \\80-84 & 5 \\75-79 & 2 \\70-74 & 1\end{array}


A) 2
B) 3
C) 7
D) cannot be determined

Correct Answer:

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