How can statistics be used in a scientific study?

Which of these best describes wde by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm

How long does it take a skateboarder going 6.0 m/s to come to a complete stop if she slows down at a rate of 2.0 m/s^2

How do all types of diffusion/passive transport actually ‘work’ without using even the smallest amount of cellular energy?