Edmund65241 Edmund65241

26-04-2024
Mathematics

Answered

Assume the average teenager sends 250 text messages per day. You sample 28 local teenagers and find that they send 232 messages per day with a standard deviation (calculated with the correction) of 64 messages per day. What is the value of the test statistic?
〇 -0.28
〇 -1.49
〇 0.64
〇 3.63

Answer :

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