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secondary 4 | E Maths
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Kathy
Kathy

secondary 4 chevron_right E Maths chevron_right Singapore

Thank you

Date Posted: 4 years ago
Views: 235
Eric Nicholas K
Eric Nicholas K
4 years ago
Later if no one has done them yet and I am free
Eric Nicholas K
Eric Nicholas K
4 years ago
From what I can see

Median is 42

IQR = 46 - 37 = 9

From the graph there are 73 people who had a speed of no more than 50 km/h and 7 people who exceeded the limit.

The percentage is 7/80*100% = 8.75%.

Median morning speed is higher at 42 km/h than afternoon speed of 40 km/h.

There is a greater spread of speed data of the morning riders at an IQR value of 46 - 37 = 9 than the afternoon riders at an IQR value of 42 - 34 = 8.

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syjiaxuan
Syjiaxuan's answer
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Hope this helps