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Author Question: The Roller Coaster Database maintains a website (www.rcdb.com) with data on roller coasters around ... (Read 693 times)

urmomsucks

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on: Feb 26, 2023

Question 1

The mode of a symmetric, bell-shaped distribution should:

◦

be roughly the same as the mean.


◦

be roughly the same as the median.


◦

be unique.


◦

All of the above.



Question 2

The Roller Coaster Database maintains a website (www.rcdb.com) with data on roller coasters around the world. Some of the data recorded include whether the coaster is made of wood or steel and the maximum speed achieved by the coaster, in miles per hour. The box plots display the distributions of speed by type of coaster for 145 roller coasters in the United States as downloaded from the site in November 2003.



Are there more wooden or steel roller coasters displayed in this plot?


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Wooden


◦

Steel


◦

There are an equal number of both types of roller coasters.


◦

We cannot tell the sample sizes from a box plot.

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Marked as best answer by urmomsucks on Feb 26, 2023

FireandIce

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Reply #1 on: Feb 26, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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urmomsucks

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Reply 2 on: Feb 26, 2023
YES! Correct, THANKS for helping me on my review

diana chang

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Reply 3 on: Yesterday
Gracias!

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