Mathematics, 07.11.2020 21:00 brendanhein1
Computer use.
A random sample of 197 12th-grade students from across the United States was surveyed, and it was observed that these students spent an average of 23.5 hours on the computer per week, with a standard deviation of 8.7 hours. If we plan to use these data to construct a 99% confident interval, the margin of error will be approximately.
(a.) 0.07
(b.) 0.62
(c.) 1.6
(d.) 8.7
Answers: 1
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Computer use.
A random sample of 197 12th-grade students from across the United States was surveyed...
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