TextRequest reports that adults18-24years old send and receive128texts every day. Suppose we take a sample of25-34year olds to see if their mean number of daily texts differs from the mean for18-24year olds reported by TextRequest.

Suppose a sample of thirty25-34year olds showed a sample mean of118.6texts per day. Assume a population standard deviation of33.17texts per day and compute the-value. Round your answer to four decimal places.