The answer is "Yo"
this is the answer because "Laura" is saying her opinion.
Not "nosotros"(we) because she is talking about herself.
Not "tu"(you) or "ellas"(they fem.)because it doesn't match up with the verb used in the sentence "creer".
Past tense
Preterite expresses a past action or state
Answer:
find the mean and standard deviation of the given data 2,2,5,7,8,10,5,4,6,8,3
