Readers can conclude the following about Allison:
- She wants to play on her school’s basketball team.
- She is willing to practice to improve her skills.
- She has experience playing basketball with her friends.
The other two statements ("She has better basketball skills than her brother" and "She hopes to learn the rules of basketball at the clinic") cannot be definitively concluded based on the provided paragraph. The paragraph emphasizes her desire to improve her jump shot and highlights her practice efforts without directly comparing her skills to her brother's or mentioning the rules of basketball.