Class at Lambert Airport Web Page

How fast do those moving walkways go anyhow?

This is an experiment to calculate how fast a moving walkway at Lambert actually moves.

First we need to measure the walkway from comb to comb. It meausures 279 ft. 10.5 inches, or 3,358.5 inches (279 * 12 + 10.5).

With a stopwatch we timed 11 trips down the moving walkway. To find the average, add all the times together and divide by 11 (the number of trips took). To find the median, -----------------.

The following graph shows information we gathered at Lambert airport.

Data Sheet

TIME IN MIN & SEC     TIME IN SECONDS           VARIANCES (TIME - AVERAGE TIME)
      2     17.780                               137.780                         -0.406
      2     18.700                               138.700                         +0.514
      2     18.400                               138.400                         +0.214
      2     18.290                               138.290                         +0.104
      2     18.150                               138.150                         -0.036
      2     18.710                               138.710                         +0.524
      2     17.435                               137.435                         -0.751
      2     18.105                               138.105                         -0.081
      2     18.340                               138.340                         +0.154
      2     17.990                               137.990                         -0.196
      2     18.150                               138.150                         -0.036
                              TOTAL         1,520.050                         +0.004

Then the average time is 1,520.05”/11 = 138.186”

----- 2:18.71 + 2:14.4 = 273.11 sec. / 2 =136.555 sec (median)---------

For more information and ideas about this project you may link to a page written by one of the following math artists: Danielle, Darlene, Kellie, Jill, Nanyal, Kevin's First and Third Web Page, Crystal, Rachel, Christina, Jennifer, Candice, Vincent, Esther and Melinda. Most of us are in this picture but not in order of names.

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