118k views
3 votes
The mean crying time of infants during naptime at a local preschool is 12 minutes. The school implements a new naptime routine in a sample of 25 infants and records an average crying time of 8 minutes with a standard deviation of 4.6. The school predicts that the new naptime routine will reduce crying time. Test whether this new naptime routine reduced crying time at a .05 level of significance.

1 Answer

6 votes

Answer:

umm people cry for a reason so it thy

Explanation:

diadem is first

User Nahuel Fouilleul
by
8.0k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories