There Are 18 Roller Coasters in Virginia for Which the Lengths

question 64

Essay

There are 18 roller coasters in Virginia for which the lengths (in feet) were reported. Those lengths are listed in the table. $$\begin{array} { | l | l | l | l | l | l | } \hline 1385 & 2757 & 2835 & 2231 & 3828 & 1312 \\\hline 3369 & 3240 & 5100 & 3157 & 2700 & 600 \\\hline 3150 & 3108 & 2705 & 4210 & 4882 & 1960 \\\hline\end{array}$$
-a. Sketch a histogram for these data.
b. Find the mean and standard deviation of the roller coaster lengths.
c. Is it appropriate to use the mean and standard deviation to summarize these data?
Explain.
d. Describe the distribution of roller coaster lengths.

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Definitions:

Fear of Heights

An intense fear or phobia of being in high places or experiencing high elevation.

Conditioned Fear

A learned response to a previously neutral stimulus that has been repeatedly associated with an aversive event.

Preoccupied

Engrossed in thought or absorbed by a specific subject, concern, or situation, often to the exclusion of other considerations.

Staying Clean

Often refers to remaining abstinent from drug or alcohol usage after overcoming addiction.