Mathematics, 26.03.2020 02:53 caz27
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 ± 4.6 (M ± SD) minutes. Test whether this new naptime routine reduced crying time at a 0.05 level of significance.
A) The new naptime routine significantly reduced crying time, t(24) = ?4.35, p <0.05.
B) The new naptime routine did not reduce crying time, t(24) = ?4.35, p < 0.05.
C) The new naptime routine did not reduce crying time, t(24) = 0.92, p > 0.05.
D) The new naptime routine significantly reduce crying time, t(24) = 0.92, p < 0.05.
Answers: 2
Mathematics, 21.06.2019 21:00, vrentadrienneoqug1a
Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.
Answers: 3
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