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Sergeu [11.5K]
3 years ago
15

Tina is conducting an investigation on bicycle helmet aerodynamics. She is trying to find out what kind of helmet causes the lea

st amount of air resistance. She tested three different helmets, using the same rider each time. She recorded the time it took for the rider to complete one circuit on a track in the table below.
Helmet Time in Seconds
A 35
B 28
C 41
How could Tina get more reliable data for this experiment?
Biology
2 answers:
gulaghasi [49]3 years ago
7 0
She could try more helmets but also repeat a circuit with the same helmets that have already been tested and an average time calculated to give a more accurate figure for these helmets.
Lina20 [59]3 years ago
3 0
Tina could get more reliable data if she tested a few more helmets.

Hope this helps!
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