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Parents estimate that a teenager sends 50 texts a day. The sample took from teenagers responses are: 51, 175, 47, 44, 49, 54, 203, 145,
Parents estimate that a teenager sends 50 texts a day. The sample took from teenagers responses are:
51, 175, 47, 44, 49, 54, 203, 145, 21, 59, 42 , 100
At a 0.1 significance level, can you conclude that the mean number is greater than 50??
Thank you.
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