The ages of the winners of a cycling tournament are approximately bell-shaped. the mean age is

The mean age is, approximately, 28.6 years.

Explanation:

Cycling is a sport practiced with a bicycle. The practitioner of this sport is called a cyclist. In a cycling competition, the goal of the runner is to complete the race course before the other competitors, many compete professionally. Cycling requires good physical fitness which is an exercise that greatly stimulates various muscles. Although there is no age when cycling is prohibited, the average age of tournament champions has been approximately 28.6 years.

measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.