Analysing Frequency Tables - Questions
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At the end of every lecture, a Mathematics teacher gave a quiz to his class. The number of questions asked in all quizzes taken during a semester were recorded as follows
\[\begin{array}{ | c | c | c | c | c | }
\hline 6 & 8 & 6 & 10 & 12 \\
\hline 9 &Â 11& 12 & 9 & 8 \\
\hline 10 & 6& 10 & 7 & 8 \\
\hline 6 &Â 12& 8 & 11 & 7 \\
\hline 8 &Â 9& 7 & 10 & 8 \\
\hline \end{array}\]Â
a) How many lectures did the teacher take with the class in this semester?
b) What were the maximum number of questions asked in a quiz?
c) What was the mean number of questions in all the quizzes taken?
d) Is the median greater than or less than the mean?
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