The US Local Airport Keeps Track of the Percentage of Flights

question 76

Multiple Choice

The US local airport keeps track of the percentage of flights arriving within 15 minutes of their scheduled arrivals.The stem-and-leaf plot of the data for one year is below. $\begin{array} { l l } 76 & 9 \\77 & 114 \\78 & \\79 & 07 \\80 & 88 \\81 & 2 \\82 & 1 \\83 & 88\end{array}$
What would be the class length for creating the frequency histogram?

• A)1.4
• B)0.8
• C)2.7
• D)1.7
• E)2.3

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