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A group of 26 High School Seniors were asked how many texts they make per day on average, yielding sample mean = 42.49, with s
A group of 26 High School Seniors were asked how many texts they make per day on average, yielding sample mean = 42.49, with s = 8. The phone company states that the average high school senior sends an average of 45 text messages per day. What is the most appropriate Test Statistic to use? a. Poisson distribution b. Binomial distribution c. T - distribution d. Z - distribution
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