Social Studies, 21.02.2022 14:00, zackinator9226
textRequest reports that adults 18β24 years old send and receive 128 texts every day. Suppose we take a sample of 25β34 year olds to see if their mean number of daily texts differs from the mean for 18β24 year olds reported by TextRequest. a. State the null and alternative hypotheses we should use to test whether the popu-lation mean daily number of texts for 25β34 year olds differs from the population daily mean number of texts for 18β24 year olds. b. Suppose a sample of thirty 25β34 year olds showed a sample mean of 118.6 texts per day. Assume a population standard deviation of 33.17 texts per day and com-pute the p-value. c. With a = .05 as the level of significance, what is your conclusion?
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textRequest reports that adults 18β24 years old send and receive 128 texts every day. Suppose we tak...
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