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
Mathematics, 22.06.2019 04:00
Look at the figure xyz in the coordinate plane. find the perimeter of the figure rounded to the nearest tenth.
Answers: 2
Computer use.
A random sample of 197 12th-grade students from across the United States was surveyed...
Computers and Technology, 20.01.2020 23:31
Computers and Technology, 20.01.2020 23:31
Computers and Technology, 20.01.2020 23:31