Listed Below Are the Arrival Delay Times (In Minutes)of Randomly $$\begin{array} { l l l l l l l l } - 15 & - 18 & - 32 & - 21 & - 9 & - 32 & 11 & 2\end{array}$$

question 27

Essay

Listed below are the arrival delay times (in minutes)of randomly selected flights between New
York's JFK airport to Los Angeles (LAX). Negative values correspond to flights that arrive
before their schedule time and positive values represent delays. Calculate the range of the data
and the standard deviation. Can the standard deviation be negative? $$\begin{array} { l l l l l l l l } - 15 & - 18 & - 32 & - 21 & - 9 & - 32 & 11 & 2\end{array}$$

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