A

2010018103

Level: 
A
In February 2021, Aneta recorded an outdoor temperature in Ostrava-Poruba, always measured at 2 p.m. The results in C are shown in the following table: Day1.2.3.4.5.6.7.8.Temperature (C)13783045Day9.10.11.12.13.14.15.16.Temperature (C)43643220Day17.18.19.20.21.22.23.24.Temperature (C)384558516Day25.26.27.28.Temperature (C)151568 Determine the mode of the recorded temperatures.
8C
3C
3C
4C

2010018102

Level: 
A
The same component is manufactured simultaneously on two differently powerful machines. The first one makes 1 component in 20 minutes, the second one makes the same component in 10 minutes. We are interested in how long it takes on average to produce 1 component using these two machines. What type of average do we use for the calculation?
Harmonic mean
Geometric mean
Arithmetic mean
Weighted arithmetic mean

2010018101

Level: 
A
Andrea took part in a children's cycling race. The first part of the route led from the Lower Square to the Upper Square and Andrea completed it with an average speed of 10km/h. Returning from the Upper Square to the Lower Square she rode the same route with an average speed of 13km/h. We are interested in her average speed during the whole race. What type of average do we need to use?
Harmonic mean
Arithmetic mean
Geometric mean
Weighted arithmetic mean