Problem: How does the next paragraph end?

How to assess statistical significance 
Define your hypotheses. 
The first step in assessing statistical significance is defining the question you want to answer and stating your hypothesis. The hypothesis is a statement about your experimental data and the differences that may be occurring in the population.
A: For any experiment, there is both a null and an alternative hypothesis. Generally, you will be comparing two groups to see if they are the same or different.

Problem: How does the next paragraph end?

A man is standing outside under a tent hitting a pinata with a stick. after about three strings
A: , he moves and gives the stick to a young girl with a grey and black dress on.

Problem: How does the next paragraph end?

A guy is shown running down a track making a jump. The jump is shown again in slow motion for better understanding. the guy
A: is then shown exiting the track.

Problem: How does the next paragraph end?

A man dressed in black shorts, t-shirt, sneakers and red baseball cap walks into an orange walled room with hardwood floors and demonstrates an arm lift exercise with two metal black dumbbells. an orange walled room
A:
is empty except for two black dumbbells lying horizontal on the floor.