The Number of Hours Worked Per Week for a Sample

question 45

Essay

The number of hours worked per week for a sample of ten students is shown below. $$\begin{array} { l l } \text { Student } & \text { Hours } \\1 & 20 \\2 & 0 \\3 & 18 \\4 & 16 \\5 & 22 \\6 & 40 \\7 & 8 \\8 & 6 \\9 & 30 \\10 & 40\end{array}$$ ​
a.
Determine the median and explain its meaning.
b.
Compute the 70th percentile and explain its meaning.
c.
What is the mode of the above data? What does it signify?

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