"secure the blessings of liberty" hope this helps
Answer:
capoeira is the correct answer.
Explanation:
Answer:
Read Exp:
Explanation:
Barack Obama was the first African-American ever to be elected president.
Answer:
Sampling error
Explanation:
This is probably due to sampling error. The sampling error has the likelihood of occuring when the statistician fails to select a sample that could be a representation of the full population. The sample results are not a true representation of the true results from the entire population.
the null hypothesis tells us that no significant difference exists between the populations chosen, and any difference can be as a result of sampling error.