The mean crying time of infants during naptime at a local preschool is 12 minutes. The school implements a new naptime routine i

Question

4 years ago

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The mean crying time of infants during naptime at a local preschool is 12 minutes. The school implements a new naptime routine i

n a sample of 25 infants and records an average crying time of 8 Â± 4.6 (M Â± 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.

Mathematics

1 answer:

Pie · Answer 1 · 2021-11-21T20:30:35+03:00

Pie4 years ago

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