# MATH 125 UMBC Calculate Mean Median Range & Standard Deviation Statistics Questions

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Mathematics

MATH 125

University of Maryland Baltimore County

MATH

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1. For men’s race from 2015 World Championships:
Mean: 1665.99
Median: 1668.89
Range:
Standard Deviation: 30.79
For women’s race from 2015 World Championships:
Mean: 1917.92
Median: 1913.01
Range:
Standard Deviation: 14.64
The technology used: Calculator and Microsoft Excel
2. If the timing in the men’s race failed to activate at the start of the race and instead
began to record the times x second into the race then all the competitor’s time would
be affected. To find their true times, x seconds should be added to each of the
competitor’s recorded times. The median calculated in question #1 would be affected
too because the median is the middle number in a sorted list of numbers. Since all of
the data would change if the timing failed to activate, the median would also change.
3.

20th Place in men’s 10,000-meter race at 2016 Summer Olympics in Rio de
Janeiro
Name: Bashir Abdi
Nationality: Belgium (BEL)
Time: 28 minutes 1.49 seconds or 1681.49 seconds
60 𝑠𝑒𝑐𝑜𝑛𝑑𝑠
28 𝑚𝑖𝑛𝑢𝑡𝑒𝑠 ×
= 1680 𝑠𝑒𝑐𝑜𝑛𝑑𝑠
1 𝑚𝑖𝑛𝑢𝑡𝑒
1680 𝑠𝑒𝑐𝑜𝑛𝑑𝑠 + 1.49 𝑠𝑒𝑐𝑜𝑛𝑑𝑠 = 1681.49 𝑠𝑒𝑐𝑜𝑛𝑑𝑠
th
20 Place in women’s 10,000-meter race at 2016 Summer Olympics in Rio de
Janeiro
Name: Hanami Sekine
Nationality: Japan (JPN)
Time: 31 minutes 44.44 seconds or 1904.44 seconds
60 𝑠𝑒𝑐𝑜𝑛𝑑𝑠
31 𝑚𝑖𝑛𝑢𝑡𝑒𝑠 ×
= 1860 𝑠𝑒𝑐𝑜𝑛𝑑𝑠
1 𝑚𝑖𝑛𝑢𝑡𝑒
1860 𝑠𝑒𝑐𝑜𝑛𝑑�...

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