Mathematics, 28.06.2020 03:01 wEKLJHFKLJEBFR2460
50 random teenagers were asked how many hours a day they use their phone. They spent an average of 7 hours a day with a standard deviation of 1.3. Based on the results, what is the margin of error for the true mean number of hours a teenager spends on their phone?your margin of error on a 95% confidence level, round your answer to the nearest tenth
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50 random teenagers were asked how many hours a day they use their phone. They spent an average of 7...
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